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Yellowstone Wolves May Not Have Reshaped the National Park After All
New analysis challenges famous trophic cascade study, finding no evidence for dramatic park-wide surge in willow growth following wolf recovery.
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Science news: space, biology, climate, medicine and the research changing how we live.
ScienceScientists Find the Strength-Training Sweet Spot for a Longer Life: 90 to 120 Minutes a Week
A study tracking more than 147,000 people for up to 30 years found that a modest weekly dose of resistance exercise sharply cut the risk of death — with no added benefit beyond two hours.
ScienceLearning Musical Instruments Later in Life Protects Memory and Slows Brain Aging
Four-year study shows older adults who continued practicing maintained cognitive performance while those who quit experienced memory decline.
ScienceA Newly Found Frozen World Beyond Neptune Deepens the Planet Nine Mystery
The distant object 2023 KQ14, spotted by Japan's Subaru Telescope, follows a surprisingly stable orbit that complicates the case for a hidden ninth planet.
ScienceNASA's Juno Catches Particles Racing Near Light Speed at Jupiter, Cracking a Cosmic Ray Mystery
Electrons accelerated in the turbulent region ahead of Jupiter's bow shock offer the first direct evidence that the same process powering them also forges cosmic rays across the galaxy.
ScienceGiant Crocodile Nicknamed 'Lucy's Hunter' Terrorized Early Human Ancestors
Newly identified species prowled Ethiopian rivers 3 million years ago when Lucy's species walked the Earth.
ScienceJames Webb Reveals Two Different Twilights on Scorching Exoplanet WASP-121 b
Astronomers detected sharply different conditions at the dawn and dusk edges of an ultra-hot gas giant, a feat made possible only by the space telescope’s sensitivity.
ScienceStanford Scientists Regrow Lost Cartilage and Reverse Arthritis by Blocking an Aging Protein
A treatment that targets a “gerozyme” restored shock-absorbing cartilage in old mice and prevented arthritis after joint injuries, raising hopes of avoiding knee and hip replacements.
ScienceSloths' Slow-Motion Lifestyle Traced to Ancient 'Jumping Genes,' Genome Study Finds
Researchers who sequenced the two-toed sloth genome found unique mobile DNA elements, conserved over 30 million years, that appear linked to the animal’s famously sluggish metabolism.
ScienceNASA's Roman Telescope Could Uncover 100,000 New Worlds and Map the Galaxy's Hidden Dark Objects
Set to launch this fall, the Nancy Grace Roman Space Telescope will use gravitational microlensing to find planets, rogue worlds, black holes and neutron stars across the Milky Way's crowded core.
ScienceRevolutionary Water Filter Uses Perfect One-Nanometer Pores for Molecular Precision
Nature-inspired membrane technology could transform industries by dramatically reducing energy consumption while improving separation performance beyond current capabilities.
ScienceLost Field Notebooks Solve 55-Million-Year-Old Fossil Fish Mystery
The spectacular 1.2-meter fossil discovered on a remote New Zealand cliff has been identified as an ancient tarpon-like predator thanks to the late collector's recovered notebooks.
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Scientists Create Revolutionary Water Filter Using Perfectly Uniform Nanometer Pores
Nature-inspired membrane technology could transform industries by dramatically reducing energy consumption while achieving unprecedented molecular separation precision.
ScienceScientists Transform Common Rice Into Smart Material That Adapts to Impact Speed
Researchers discovered rice weakens under rapid compression but stays strong under slow pressure, leading to self-adapting materials for robotics and safety equipment.
ScienceNASA Unveils Artemis III Crew for Complex 2027 Mission Testing Lunar Technology
Four astronauts will test unprecedented docking operations with Blue Origin and SpaceX landers in Earth orbit, paving the way for 2028 Moon landing.
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Scientists Transform Rice Into Smart Material That Adapts to Impact Speed
Breakthrough discovery shows rice weakens under rapid compression but stays stronger with slow pressure, leading to development of self-adjusting protective materials.
ScienceScientists Map Every Neural Connection in Adult Fruit Fly, Revealing Surprising Insights About Intelligence
Groundbreaking connectome study shows complex behaviors emerge from distributed local circuits rather than central brain control, challenging assumptions about how nervous systems work.
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Scientists Map Complete Neural Network of Adult Fruit Fly, Revealing Surprising Insights About Intelligence
Groundbreaking connectome study shows complex behaviors emerge from distributed local circuits rather than central brain control, offering new understanding of how nervous systems work.
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Scientists Map Every Neural Connection in Fruit Fly Brain, Revealing Surprising Insights About Intelligence
Groundbreaking connectome of 160,000 neurons suggests complex behaviors emerge from distributed local circuits rather than centralized brain control, offering new clues about how nervous systems work.
ScienceComet 220P/McNaught Erupts in Rare Outburst, Brightening Thousands of Times for Dawn Skywatchers
An icy visitor brightened by roughly nine magnitudes in half a day, its most dramatic flare-up since Comet Holmes stunned observers in 2007, and it is now within reach of binoculars before perihelion.
ScienceWorld's Largest Review Finds Opioids Often No Better Than Placebo for Acute Pain
A sweeping University of Sydney analysis of dozens of conditions concludes that widely prescribed opioids deliver only small, short-lived relief, and sometimes none at all, while carrying real risks.
ScienceFlu Viruses Use Different Molecular 'Doors' to Invade Human Lungs, Study Finds
University of Vermont researchers discovered that H3N2 relies on a protein H1N1 doesn't need, overturning the idea that all influenza strains enter cells the same way.
ScienceAn Invisible 'Forever Chemical' Rain Is Falling Worldwide, Traced to Refrigerants
A Lancaster University study estimates more than 335,000 tonnes of the persistent pollutant TFA were deposited globally from 2000 to 2022, much of it from CFC replacements.
ScienceMeet Kank australis: A Patagonian Raptor That Hunted Fish Like a Heron
The 70-million-year-old dinosaur paired a raptor's sickle claw with a long, flexible neck, revealing a fish-eating lifestyle unusual for its family of predators.
ScienceStonehenge's Most Mysterious Stone Traveled 700 Kilometers Across Britain
Scientists have uncovered new evidence that the six-ton Altar Stone was deliberately transported from Scotland by ancient people, requiring extraordinary planning and teamwork.
ScienceNew Catalyst Turns Factory Waste Heat Into Hydrogen at a Fraction of the Usual Temperature
University of Birmingham researchers say their abundant, non-toxic perovskite splits water into hydrogen at 150 to 500 degrees Celsius — potentially undercutting both green and blue hydrogen on cost.
ScienceScientists Precisely Edit Human Embryo Genes for the First Time, Igniting Praise and Alarm
A Columbia-led team used base editing to correct disease-linked mutations in human embryos without the chromosomal damage seen in earlier CRISPR attempts — but warned of lingering off-target effects.
ScienceNASA Names Artemis III Crew to Return Astronauts to the Moon's Surface
Veteran spacefarers Randy Bresnik, Luca Parmitano, Frank Rubio and rookie Andre Douglas will fly the mission, targeted for as soon as late 2027, that aims to land humans near the lunar south pole.
SciencePlanet Nine Mystery Deepens as New Discoveries Challenge Hidden Giant Planet Theory
Recent observations of Kuiper Belt objects show more stable orbits than expected, forcing astronomers to reconsider whether a massive undiscovered planet lurks in the outer solar system.
ScienceScientists Identify Brain Chemical That Helps Break Bad Habits and Adapt to Change
Researchers discovered that acetylcholine surges when expectations aren't met, triggering more flexible decision-making in challenging situations.