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Latest news
An ocean the size of the Arctic once covered half of Mars, new images hint
Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.
'Pain sponge' derived from stem cells could soak up pain signals before they reach the brain
Scientists are developing a "sponge" that can soak up pain signals in the body before they reach the brain, potentially offering an alternative to painkillers.
Arctic blast probably won't cause trees to explode in the cold — but here's what happens if and when they do go boom
An exploding tree claim has gone viral as the U.S. brace for an Arctic blast that will send temperatures plunging, triggering a massive and long-lasting winter storm.
5,500-year-old human skeleton discovered in Colombia holds the oldest evidence yet that syphilis came from the Americas
An ancient DNA analysis of a 5,500-year-old human skeleton reveals that an ancestor of the bacterium that causes syphilis was present in the Americas at least 3,000 years earlier than previously thought.
Wegovy now comes in pill form — here's how it works
The pill version of Wegovy seems to work just as well as the injectable form, but there are some key differences between the two formulations, experts say.
Creepy robotic hand detaches at the wrist before scurrying away to collect objects
EPFL's robotic appendage features fingers that bend both ways and is designed to retrieve objects from spaces too hazardous for human hands.
'They are life, but not as we now know it': 26-foot organism that lived 420 million years ago is completely unknown branch of animal kingdom
An ancient and enormous organism called Prototaxites, initially found to be a type of fungus, may actually be an unknown branch of life, researchers say.
Californians have been using far less water than suppliers estimated — what does this mean for the state?
Flawed assumptions about water demand mean suppliers in California overestimated future demand by an average of 74% over 20 years — positive news for the drought-embattled state.
Dark matter and neutrinos may interact, hinting at 'fundamental breakthrough' in particle physics
Astronomers found evidence that dark matter and neutrinos may interact, hinting at a "fundamental breakthrough" that challenges our understanding of how the universe evolved.
Lab mice that 'touch grass' are less anxious — and that highlights a big problem in rodent research
Mice that experience the real world may be better models for human mental health conditions, compared with lab mice that never leave their cages, a study hints.
2,400-year-old Hercules shrine and elite tombs discovered outside ancient Rome's walls
Archaeologists have unearthed tombs and a shrine dedicated to Hercules from the time of the Roman Republic.
Coyote scrambles onto Alcatraz Island after perilous, never-before-seen swim
Experts have reacted to a viral video of a coyote swimming to Alcatraz Island in what is a surprising first for the San Francisco Bay Area.
Stunning time-lapse video captured using 'artificial eclipse' shows 3 massive eruptions on the sun
ESA's Proba-3 mission, made up of twin spacecraft capable of aligning to create artificial eclipses, has captured "rare" footage of three solar prominences erupting from the sun's mysteriously hot atmosphere.
Enormous freshwater reservoir discovered off the East Coast may be 20,000 years old and big enough to supply NYC for 800 years
An expedition off the coast of Massachusetts has confirmed the existence of a freshwater reservoir beneath the seafloor. Now, scientists are starting to understand when and how it formed.
World's oldest known rock art predates modern humans' entrance into Europe — and it was found in an Indonesian cave
The hand stencil is more than 1,000 years older than the previous earliest evidence of rock art.
2.6 million-year-old jaw from extinct 'Nutcracker Man' is found where we didn't expect it
A fossil jaw of a distant human relative was discovered much farther north than previously thought possible, revealing new information about diversity in human evolution.
Earth hit by biggest 'solar radiation storm' in 23 years, triggering Northern Lights as far as Southern California
Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and large parts of Europe. The storm broke a record that had stood for more than two decades.
A woman experienced delusions of communicating with her dead brother after late-night chatbot sessions
A woman developed psychosis, and her symptoms escalated rapidly, prompting clinicians to retrace the events leading up to her hospitalization.
