A mother humpback whale and calf are seen off the coast of Brazil.

Earth’s Migratory Animals Are in Peril, According to U.N. Report

The Convention on Migratory Species warns that many birds, mammals and fish face numerous threats, but they can be saved

Reconstruction by an artist of the toilet room that stood in the garden of the Armon Hanatziv royal estate

Ancient Toilet Unearthed in Jerusalem Shows Elite Were Plagued by Intestinal Worms

Mineralized feces chock-full of parasitic eggs indicate that it wasn’t the lower classes alone who suffered from certain infectious diseases

The Roman elite viewed public toilets as an instrument that flushed the filth of the plebes out of their noble sight.

How the Ancient Romans Went to the Bathroom

A new book by journalist Lina Zeldovich traces the management of human waste—and underscores poop's potential as a valuable resource

Denver Bronco player David Bruton grabs his head on the field after a reported concussion. Many patients with such head injuries suffer symptoms months after their diagnosis, even though their brains look healthy on CT scans.

This Molecule Could Be the Key to Understanding Why Concussions Have Such Long-Term Effects

Neuroscientists identified the molecule that persists in the brain—and showed how to disarm it in mice

A researcher holds a banded vampire bat.

Vampire Bats Call Out to Friends to Share Blood Meals

After they prep bite sites to lap the blood out of live cows, females invite their roostmates to join them

A thermal image shows a parrot releasing heat through its beak and talons. Researchers have found that since 1871 some parrots have increased their beak area up to 10 percent.

Animals Are Changing Shape to Cope With Rising Temperatures

Birds, bats, rabbits, mice and other creatures are growing bigger body parts to cool themselves off

This mosaic featuring fish was likely laid down in A.D. 300 in what is now the Israeli town of Lod.

What Archaeology Tells Us About the Ancient History of Eating Kosher

A new study of fish remains deepens scholars' understanding of how the dietary laws came to be

Artist's rendering of a prehistoric human playing the ancient conch instrument

Hear the Musical Sounds of an 18,000-Year-Old Giant Conch

The shell was played for the first time in millennia after being rediscovered in the collections of a French museum

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