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Top science stories featured on ScienceDaily's home page.
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Strongest hints yet of biological activity outside the solar system
https://www.sciencedaily.com/releases/2025/04/250416204034.htm
Published: April 16, 2025 20:40
Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they remain cautious.
Ever wonder why some meteor showers are so unpredictable?
https://www.sciencedaily.com/releases/2025/04/250416152124.htm
Published: April 16, 2025 15:21
Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? Researchers show that this is not due to the random pull of the planets, but rather the kick they receive from a moving Sun.
Sunscreen, clothes and caves may have helped Homo sapiens survive 41,000 years ago
https://www.sciencedaily.com/releases/2025/04/250416151919.htm
Published: April 16, 2025 15:19
A study suggests that Homo sapiens may have benefited from the use of ochre and tailored clothing during a period of increased UV light 41,000 years ago, during the Laschamps excursion.
'Big surprise': Astronomers find planet in perpendicular orbit around pair of stars
https://www.sciencedaily.com/releases/2025/04/250416151917.htm
Published: April 16, 2025 15:19
Astronomers have found a planet that orbits at an angle of 90 degrees around a rare pair of peculiar stars. This is the first time we have strong evidence for one of these 'polar planets' orbiting a stellar pair.
Crystal clues on Mars point to watery and possibly life-supporting past
https://www.sciencedaily.com/releases/2025/04/250416151912.htm
Published: April 16, 2025 15:19
A new study analyzing data from NASA's Perseverance rover has uncovered compelling evidence of multiple mineral-forming events just beneath the Martian surface -- findings that bring scientists one step closer to answering the profound question: Did life…
Is my green your green?
https://www.sciencedaily.com/releases/2025/04/250416135938.htm
Published: April 16, 2025 13:59
'Do we see colors the same way?' is a fundamentally human question and one of great importance in research into the human mind. While impossible to answer at present, researchers take steps to answering it using a method that can map the experiences of…
Scientists find evidence that overturns theories of the origin of water on Earth
https://www.sciencedaily.com/releases/2025/04/250416135918.htm
Published: April 16, 2025 13:59
Researchers have helped overturn the popular theory that water on Earth originated from asteroids bombarding its surface; Scientists have analyzed a meteorite analogous to the early Earth to understand the origin of hydrogen on our planet. The research…
Secret to crocodylian longevity
https://www.sciencedaily.com/releases/2025/04/250416135913.htm
Published: April 16, 2025 13:59
Researchers examined teeth and skulls of 99 extinct crocodylomorph species and 20 living crocodylian species to reconstruct their dietary ecology and identify characteristics that helped some groups persist through two mass extinctions. They discovered…
New giant virus isolated
https://www.sciencedaily.com/releases/2025/04/250416135911.htm
Published: April 16, 2025 13:59
Researchers have isolated a giant virus, which was named Jyvaskylavirus. The discovery shows that giant viruses are more common in northern regions than researchers have thought. It also illustrates that there are still many structures whose origins and…
The most distant twin of the Milky Way ever observed
https://www.sciencedaily.com/releases/2025/04/250416135750.htm
Published: April 16, 2025 13:57
An international team has discovered the most distant spiral galaxy candidate known to date. This ultra-massive system existed just one billion years after the Big Bang and already shows a remarkably mature structure, with a central old bulge, a large…
Our DNA is at risk of hacking, warn scientists
https://www.sciencedaily.com/releases/2025/04/250416135745.htm
Published: April 16, 2025 13:57
According to new research next-generation DNA sequencing (NGS) -- the same technology which is powering the development of tailor-made medicines, cancer diagnostics, infectious disease tracking, and gene research -- could become a prime target for hackers.
Holiday flights could carry fewer passengers as world warms
https://www.sciencedaily.com/releases/2025/04/250416135619.htm
Published: April 16, 2025 13:56
By the 2060s, some airports with shorter runways may need to reduce their maximum take-off weight by the equivalent of approximately 10 passengers per flight during summer months.
Favorite music sets the brain's opioids in motion
https://www.sciencedaily.com/releases/2025/04/250416135606.htm
Published: April 16, 2025 13:56
A new imaging study showed that listening to favorite music affects the function of the brain's opioid system.
Living fungus-based building material repairs itself for over a month
https://www.sciencedaily.com/releases/2025/04/250416135352.htm
Published: April 16, 2025 13:53
Engineers have developed a building material that uses the root-like mycelium of a fungus and bacteria cells. Their results show that this material -- which is manufactured with living cells at low temperatures -- is capable of self-repairing and could…
Bite-sized chunks of chicken with the texture of whole meat can be grown in the lab
https://www.sciencedaily.com/releases/2025/04/250416135350.htm
Published: April 16, 2025 13:53
A bioreactor that mimics a circulatory system can deliver nutrients and oxygen to artificial tissue, enabling the production of over 10 grams of chicken muscle for cultured meat applications.
'Cosmic radio' could find dark matter in 15 years
https://www.sciencedaily.com/releases/2025/04/250416135342.htm
Published: April 16, 2025 13:53
Scientists have designed a 'cosmic radio' detector which could discover dark matter in 15 years.
Inside Yellowstone's fiery heart: Researchers map volatile-rich cap, offering clues to future volcanic activity
https://www.sciencedaily.com/releases/2025/04/250416135242.htm
Published: April 16, 2025 13:52
Beneath the steaming geysers and bubbling mud pots of Yellowstone National Park lies one of the world's most closely watched volcanic systems. Now a team of geoscientists has uncovered new evidence that sheds light on how this mighty system may behave in…
Popular diabetes medications, including GLP-1 drugs, may protect against Alzheimer's disease
https://www.sciencedaily.com/releases/2025/04/250416135158.htm
Published: April 16, 2025 13:51
Drugs like Ozempic, other blood sugar-reducing medications, may stave off dementia.
On Jupiter, it's mushballs all the way down
https://www.sciencedaily.com/releases/2025/04/250415183433.htm
Published: April 15, 2025 18:34
Observations of Jupiter show that ammonia is unevenly distributed in the upper atmosphere, against expectations of uniform mixing. Scientists found evidence for a complicated but apparently real process associated with fierce lightning storms: strong…
Seismologists share early analyses of Myanmar earthquake
https://www.sciencedaily.com/releases/2025/04/250415144009.htm
Published: April 15, 2025 14:40
The 28 March magnitude 7.7 Mandalay, Burma (Myanmar) earthquake caused widespread and severe damage in Myanmar and neighboring countries such as Thailand, with more than 5,000 casualties now confirmed. At the Seismological Society of America's Annual…
AI finds new ways to observe the most extreme events in the universe
https://www.sciencedaily.com/releases/2025/04/250415143817.htm
Published: April 15, 2025 14:38
Extreme cosmic events such as colliding black holes or the explosions of stars can cause ripples in spacetime, so-called gravitational waves. Their discovery opened a new window into the universe. To observe them, ultra-precise detectors are required.…
An elegant method for the detection of single spins using photovoltage
https://www.sciencedaily.com/releases/2025/04/250415143815.htm
Published: April 15, 2025 14:38
Diamonds with certain optically active defects can be used as highly sensitive sensors or qubits for quantum computers, where the quantum information is stored in the electron spin state of these colour centeres. However, the spin states have to be read…
Molten Martian core could explain red planet's magnetic quirks
https://www.sciencedaily.com/releases/2025/04/250415143516.htm
Published: April 15, 2025 14:35
First ever supercomputer simulations of Mars with a fully molten core could explain the Red Planet's unusual magnetic field. Billions of years ago, Mars had an active magnetic field. Mysteriously, its imprint is strongest in the southern hemisphere.…
Studying how seals adapt to extreme environments could lead to benefits in human reproductive health
https://www.sciencedaily.com/releases/2025/04/250415143506.htm
Published: April 15, 2025 14:35
Wild animals that have acquired adaptions to maximize their reproductive output in some of the world's most extreme conditions may provide answers to some of the most pressing problems in the field of human reproductive health. A new journal article…
Mysterious atmosphere of 'Rosetta Stone' exoplanet
https://www.sciencedaily.com/releases/2025/04/250415143410.htm
Published: April 15, 2025 14:34
A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick, hot atmosphere. TOI-270 d is only 73 light years from Earth and could serve as a…
Physics reveals the optimal roof ratios for energy efficiency
https://www.sciencedaily.com/releases/2025/04/250414162056.htm
Published: April 14, 2025 16:20
There are roof shapes and ratios that maximize heat retainment and energy efficiency and, interestingly, ancient Italian architects and builders seemed to know it, too.
New plant molecule encourages plant-fungi symbiosis to improve crops
https://www.sciencedaily.com/releases/2025/04/250414162051.htm
Published: April 14, 2025 16:20
Scientists use small peptides to enhance symbiosis between plants and fungi, offering a sustainable alternative to artificial fertilizers. Plant biologists discover new plant molecule, CLE16, as well as a fungal CLE16 mimic, that encourage the beneficial…
Wealth inequality's deep roots in human prehistory
https://www.sciencedaily.com/releases/2025/04/250414162044.htm
Published: April 14, 2025 16:20
Wealth inequality began shaping human societies more than 10,000 years ago, long before the rise of ancient empires or the invention of writing. That's according to a new study that challenges traditional views that disparities in wealth emerged suddenly…
New method for detecting nanoplastics in body fluids
https://www.sciencedaily.com/releases/2025/04/250414124720.htm
Published: April 14, 2025 12:47
Microplastics and the much smaller nanoplastics enter the human body in various ways, for example through food or the air we breathe. A large proportion is excreted, but a certain amount remains in organs, blood and other body fluids. Scientists have now…
Pioneering research reveals Arctic matter pathways poised for major shifts amidst climate change
https://www.sciencedaily.com/releases/2025/04/250414124715.htm
Published: April 14, 2025 12:47
A new study has shed unprecedented light on the highly variable and climate-sensitive routes that substances from Siberian rivers use to travel across the Arctic Ocean. The findings raise fresh concerns about the increasing spread of pollutants and the…
Scientists may have solved a puzzling space rock mystery
https://www.sciencedaily.com/releases/2025/04/250414124713.htm
Published: April 14, 2025 12:47
Researchers may have answered one of space science's long-running questions -- and it could change our understanding of how life began. Carbon-rich asteroids are abundant in space yet make up less than 5 per cent of meteorites found on Earth.
Sophisticated pyrotechnology in the Ice Age: This is how humans made fire tens of thousands of years ago
https://www.sciencedaily.com/releases/2025/04/250414124705.htm
Published: April 14, 2025 12:47
Whether for cooking, heating, as a light source or for making tools -- it is assumed that fire was essential for the survival of people in the Ice Age. However, it is puzzling that hardly any well-preserved evidence of fireplaces from the coldest period of…
Footprints of tail-clubbed armored dinosaurs found for the first time
https://www.sciencedaily.com/releases/2025/04/250414124455.htm
Published: April 14, 2025 12:44
Footprints of armored dinosaurs with tail clubs have been identified, following discoveries made in the Canadian Rockies. The 100-million-year-old fossilized footprints were found at sites at both Tumbler Ridge, BC, and northwestern Alberta.
A fluid battery that can take any shape
https://www.sciencedaily.com/releases/2025/04/250411175441.htm
Published: April 11, 2025 17:54
Using electrodes in a fluid form, researchers have developed a battery that can take any shape. This soft and conformable battery can be integrated into future technology in a completely new way.
Light that spirals like a nautilus shell
https://www.sciencedaily.com/releases/2025/04/250411175439.htm
Published: April 11, 2025 17:54
Pushing the limits of structured light, applied physicists report a new type of optical vortex beam that not only twists as it travels but also changes in different parts at different rates to create unique patterns. The way the light behaves resembles…
From boring to bursting: Giant black hole awakens
https://www.sciencedaily.com/releases/2025/04/250411105903.htm
Published: April 11, 2025 10:59
Astronomers are investigating the longest and most energetic bursts of X-rays seen from a newly awakened black hole. Watching this strange behavior unfold in real time offers a unique opportunity to learn more about these powerful events and the mysterious…
Drug pollution alters salmon migration
https://www.sciencedaily.com/releases/2025/04/250410160719.htm
Published: April 10, 2025 16:07
Study reveals commonly detected environmental levels of clobazam -- a medication often prescribed for sleep disorders -- increased the river-to-sea migration success of juvenile salmon in the wild. The research team employed slow-release pharmaceutical…
Ancient tools from a South African cave reveal connections between prehistoric people
https://www.sciencedaily.com/releases/2025/04/250409212539.htm
Published: April 9, 2025 21:25
In a cave overlooking the ocean on the southern coast of South Africa, archaeologists discovered thousands of stone tools, created by ancient humans roughly 20,000 years ago. By examining tiny details in the chipped edges of the blades and stones,…
Eight or more drinks per week linked to signs of injury in the brain
https://www.sciencedaily.com/releases/2025/04/250409173113.htm
Published: April 9, 2025 17:31
Heavy drinkers who have eight or more alcoholic drinks per week have an increased risk of brain lesions called hyaline arteriolosclerosis, signs of brain injury that are associated with memory and thinking problems, according to a new study.