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

Modern genetic evidence suggests that statue builders on islands such as Rapa Nui, also known as Easter Island, had a shared ...

The deep-sea octopus is fully mature despite fitting in a palm, a trait researchers think may help it reproduce faster than larger relatives. Climate change could be forcing gray whales to seek food ...

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

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 ...

Uneven supernova explosions may explain the unusual mix of elements in Milky Way stars once thought to be evidence of ...

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.

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

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