A bizarre insect trapped in 99-million-year-old amber had flexible mouthparts nearly twice its body length, revealing an ...

Blood sugar patterns that standard tests miss may be linked to higher blood pressure, unhealthy cholesterol levels, and ...

Scientists thickened Arctic sea ice by pumping seawater onto its surface, but questions remain about summer melting and large ...

A single DNA letter beside the gene MECP2 lowered its output by 30% in human neurons, and it may help explain autism in boys.

Tree rings from 199 bristlecone pines show cool droughts drained the Colorado River about as badly as warm ones over 2,000 ...

Divers off Vis, Croatia, uncovered a Hellenistic shipwreck with 6 meters of keel and Greek fine pottery scratched with ...

Talk therapy for depression during pregnancy helped mothers and was linked to small changes in their babies’ brains.

Measuring 123 species, biologists found two new contenders for loudest bird, and learned that bigger birds with wider mouths are louder.

Old Congo Basin weather sheets, read by software, show the region's hottest days became nearly twice as common between the ...

Small earthquakes near North Korea's nuclear test site began weeks after the last blast in 2017 and grew more frequent for ...

Sakurai's Object, a star that flared back to life, is now reheating and blowing a strong wind, but more slowly than one model predicted.

A PNAS study finds 398 glaciers in the American West vanished since the mid-20th century, and total glacier area has shrunk ...