Biology

Thousands of usually solitary octopuses gather to brood eggs in a special spot off California

If you really want to challenging your bird identification skills, try using them at night, when bird calls are less than 100 milliseconds long.

A hogfish may provide the first example of a vertebrate with specialized light-detecting cells that reside outside the central nervous system

A chemical trick for making oxygen can sustain whole underground ecosystems

The “button dogs” of TikTok seem to be learning human words. What’s really going on?

For thousands of years, no one truly knew how birds migrated—that is, until a few unlikely pioneers sat in an empty field with hundreds of pounds of kludged together recording gear and waited to hear sounds that no one had ever captured.

From the moment a male lion is born, it faces a gauntlet of challenges, ranging from snakebite to infanticide

On any given night, dense clouds of dark, ghostly figures pass over your head as you sleep. Maybe you never knew they were there, but there are people out there who are deciphering all the unseen movement that happens amid the darkness.

This child was buried 400 years ago in what is now Poland, face-down and with an iron padlock on their foot

“I’ve never seen anything like it,” says a paleontologist not involved in the discovery of a 40-million-year-old fossilized whale

Scientists altered the genomes of female fruit flies, allowing them to reproduce without any contribution from a male

Unisexual salamanders in the genus Ambystoma appear to be the only creatures in the world that reproduce the way they do. Researchers know how, but the why is still being figured out.