A decades-old claim linking caregiving stress to risk of death has stuck around, hampering research into its benefits. But ...

Herugavialis is the new name for a fossil found in the same rocks that built the Great Sphinx. The reptile is a unique branch ...

Bigger bodies and wider beaks help birds like the bare-throated bellbird belt out calls louder than a jackhammer, but why ...

Microblazars — a miniature version of blazars — may be responsible for mysterious ultra-high-energy particles.

If you're one of those unfortunate souls who steps outside in shorts for thirty seconds and returns looking like a human ...

One theory points to a long-awaited supersymmetric particle called a ‘higgsino.’ But that idea has some issues.

Scientists graded every river and stream in the contiguous United States, flagging specific repairs each one needs to support ...

A female humpback whale may have spent days with her stillborn calf. This rare sighting may suggest that baleen whales ...

The human brain is built to hear voices. Speaking connects us to other people — and ourselves. What do our voices reveal about ourselves?

A waterborne pathogen flourishes while toads shelter underground. The finding may help conservationists rethink how to ...

Avian flu, overfishing, and a super El Niño have decimated Peru’s largest colony of Humboldt penguins. Scientists are holding ...

Naegleria amoebas’ exploration skills and crawling behaviors could help explain how the brain-eating variety travel into ...