The species’ melanosomes—tiny, pigment-filled structures inside hair cells—are hollow, a trait never before seen in mammals ...

The whites of your eyes are not an accident. They are, scientists now believe, one of the most sophisticated social ...

Naked mole rats are a true scientific wonder. The world’s only cold-blooded mammals can survive 18 minutes without oxygen and ...

Koalas appear to do nothing, spending up to 22 hours resting. This is not laziness but a vital survival tactic. Their diet of eucalyptus leaves is low in energy and hard to digest. It also contains ...

The koala now ranks among a few species observed escaping a genetic bottleneck, in this case caused by overhunting that peaked 100 years ago.

U.S. stocks slumped after a report said inflation was primed to worsen even before the war with Iran sent oil prices spiking. That and comments from the head of the Federal Reserve pushed Wall ...

A crash Wednesday shut down northbound Loop 20 lanes near University Boulevard, with traffic backed up to Jacaman Road, Laredo Police said.

Over the long and complicated course of evolutionary history, mammals independently turned towards water to make a home ...

Becky O’Brien always wanted to work with ocean life, but she didn’t realize she’d be able to do the job in the middle of the Las Vegas desert. She works as the lead aquarist for the Shark ...

It still looks like they’re in bad shape, but if you dig further, we’re actually finding that there’s recovery from the bottleneck,” study co-author Collin Ahrens said.

Amazon mollies don't need a man, and never will. A new study finds they can purge and repair genetic mutations that would otherwise plague a self-cloning species.