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

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

Scientists testing potential treatments for sleep apnea made an unexpected discovery. How quickly people react may depend on ...

The 10th century treatment called Bald’s eyesalve attacks microbes in multiple ways. Molecule mixtures from it may inspire ...

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

Season 2 follows people losing their ability to speak — and the AI and brain implants helping them find their voices again.

The rare fossil hints that differences in plumage may explain why some Cretaceous-era birds survived an asteroid impact but ...

Before the sun fully formed, tiny bits of rock were already recording the magnetic forces present in the very early solar ...

Space scientists aren’t so sure. As light travels from space to the ground, it scatters off molecules in the atmosphere, says ...

A record player-like microscope and computer simulations solve a longtime mystery, showing that metal ions bridge DNA strands ...

As human-caused climate warming destabilizes high mountain regions, the threat of rock-ice avalanches and other glacial ...

Genetic testing of two tiny tiger cats from Bolivia revealed a new species, adding a new branch to the feline family tree.