A new study shows how much food polar bears leave behind — and how their decline threatens scavengers across the Arctic.

These tropical forest CO₂ emissions may warn of similar shifts in other regions, a key topic for COP30 climate talks in Brazil.

With a high-speed camera and a tiny guillotine, scientists showed that chopping onions slowly and with sharper knives cuts down on tears.

DNA and stone tool comparisons suggest Eastern European Neandertals trekked 3,000 kilometers to Siberia, where they left a genetic and cultural mark.

DNA from Napoleonic soldiers’ teeth uncovered two fever-causing bacteria that may have worsened the army’s fatal retreat from Russia.

We are at a critical time and supporting science journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen scientific ...

Glioblastoma doesn't just affect the brain. It also erodes bones in the skull and changes the composition of immune cells in skull marrow.

Pricey civet coffee gets its cred from its journey through the mammal’s gut, which changes the content of fat, protein, fatty acids — and even caffeine.

Science News and our parent organization, the Society for Science, need your help to strengthen environmental literacy and ensure that our response to climate change is informed by science.

Moore, a biomedical engineer at the University of Maryland in College Park, lives with noncancerous tumors in the uterus called uterine fibroids. “That’s what drew me in to wanting to understand these ...

New dating of New Mexico rocks suggest diverse dinosaurs thrived there just before the impact, countering the idea dinos were already on their way out.

AI promises to speed up scientific analysis and writing. However, AI agents struggled with accuracy and judgment.