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The newly discovered sungrazing comet C/2026 A1 (MAPS) will undergo an extremely close slingshot around our star in early April, and could become bright enough to be seen without a telescope during the day.
A supercharged neutrino that smashed into our planet in 2023 may have been spit out by an exploding primordial black hole with a "dark charge." If true, this theory could lead to a definitive catalog of all subatomic particles and unveil the elusive identity of dark matter.
The Gemini North telescope snapped a spectacular view of Comet C/2025 K1 (ATLAS) breaking apart as it emerged from the other side of the sun in October.
An analysis of peatland soil samples and satellite images has found that wildfires on Alaska's North Slope are more frequent and severe now than they were at any point over the past 3,000 years.
Earth's core contains nine to 45 times more hydrogen than the planet's oceans do, according to a new study that could settle a debate about when and how hydrogen was delivered to Earth.
Earth from space A 2024 astronaut photo shows a striking pink, heart-shaped salt lake in the middle of the Argentine lowlands. The endearing photo was originally released to celebrate Valentine's Day.
A study in Iceland found that microbes are hoarding more nitrogen for themselves, altering nutrient cycling and leaving less for plants.
Deep inside Earth lies a hidden world of "intraterrestrials" that have been dormant for hundreds of thousands of years — what are they waiting to "wake up" for?
The sewn hide, cordage and needles show how Indigenous Americans used complex technology to survive the freezing temperatures at the end of the last ice age and as a means of social expression.
New CT scans reveal the last moments of the Inca children who were sacrificed and mummified about 500 years ago.
Archaeologists and student excavators uncovered a Viking Age pit full of dismembered remains near Cambridge, England.
An ecologist has captured a photo of a peregrine falcon subspecies in an unprecedented location.
The alarming spread of spotted lanternflies across the U.S. has been made possible by cities acting as evolutionary incubators, fine-tuning the insects and enabling them to thrive.
Past anecdotal observations have hinted that great apes play pretend. But now, experimental research shows that our closest living relatives can keep track of imaginary objects.
A DNA study reveals crocs that lived in the Seychelles represented the westernmost population of saltwater crocodiles, having swam at least 1,800 miles to reach the island.
Research suggests night owls may face different health risks than early birds do. Which category do you fit into, if either?
A large, 20-year trial showed that speedy cognitive exercises could reduce the risk of Alzheimer's disease and other types of dementia. The question is, could these tasks be adapted into video games?
Emerging evidence suggests that "night owls" are more likely to have poor heart health and a higher risk of heart attack or stroke than "morning larks." Why is that?
Gregor Mendel described his experiments with pea plants and proved that genes are transmitted in discrete units, with certain fundamental laws of inheritance.
A clinical trial shows that AI-assisted mammography can detect more cases of dangerous cancer and reduce missed diagnoses.
A meta-analysis of 52 studies that included over 5,000 transgender people suggests that transgender women's physical fitness after hormone therapy is comparable to that of cisgender women.
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We let AI take the reins on our photography for a week — the results were surprising, frustrating and sometimes impressive.
Physicists saw excitons, a type of quasiparticle, undergo a reversible phase transition from superfluid to supersolid for the first time, opening new doors for studying extreme states of matter.
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Deals We gave the Urevo Strol 2E Smart Treadmill four out of five stars and found it delivered brilliant performance, almost silent running and had a minimal floorspace footprint.
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