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'Oddly shaped rock' unearthed in California turns out to be 'immaculate' mastodon molar
An exceptionally well-preserved fossilized molar belonging to an adult Pacific mastodon has surfaced in a nature preserve near San Francisco. Upon first glance, the ancient tooth looked like an "oddly shaped rock" to g…
Brain shrinkage tied to aging 'pauses' as a woman nears menopause, study finds
The brain undergoes dramatic changes during puberty and pregnancy, but during menopause, the organ's structure remains remarkably stable, a new study suggests. The research, published Sept. 8 in the journal Nature Comm…
'Every time it gets excited — boom — it collapses': How dogs with narcolepsy helped scientists understand the disorder
Many people are familiar with melatonin, a hormone that helps ready the body for sleep. But there's another, lesser-known chemical in the brain, called orexin, that tips the scale in the other direction: waking the body…
A new study suggests that Mercury has shrunk by an additional 10% to 30%, translating to nearly 12 miles in diameter, which greatly impacts our understanding o…
IBM and NASA have partnered to create a new artificial intelligence (AI) model capable of processing decades of lunar data so scientists can more accurately ma…
A nonprofit released a roadmap to structure solar geoengineering research, moving it from theory to evidence-based policy. This plan helps leaders evaluate cli…
September offers exceptional stargazing opportunities, featuring the full Harvest Moon on the 26th and five visible planets. As nights grow longer with the fal…
A survey by the Geological Society of America found that 80% of researchers face harmful interactions during geoscience fieldwork, primarily due to harassment …
NASA is inviting the public to submit cloud photographs to aid research on weather patterns and climate change. This citizen science initiative aims to enhance…
This year's Lasker Awards — coveted prizes for biomedical research that are sometimes called "America's Nobel Prizes" — have gone to scientists behind fundamen…
University of Missouri researchers published a review detailing how flow matching AI models biological systems with high accuracy. This guide helps scientists …
Researchers captured the first-ever footage of a bigfin squid in the northeastern Pacific on August 7, 2023, at over 10,000 feet deep. This historic sighting h…
New measurements of helium in distant galaxies have confirmed theories about the universe's conditions seconds after the Big Bang, indicating that helium makes…
The world's oldest known habitual drug use can be traced to an island in Indonesia, where ice age hunter-gatherers sucked on betel nuts — palm seeds that conta…
