Animals

An amateur fossil hunter in Mississippi found the first known fossil in the region from a mammoth — a well-preserved tusk that weighed about 600 pounds (270 kilograms).

A beautiful and rare "cotton candy" lobster caught in New Hampshire may be due to a combination of genetics and diet.

Rat poison detected in around a third of wild mammal carnivores — including those that don't normally eat rodents, such as mountain lions and gray wolves.

This slimline, eel-like fish has no scales for protection so chooses to use a sea cucumber's sphincter for safety.

Humans are not the only organisms that have periods — some animals do too, but scientists still aren't sure why.

Ancient origins of cobras traced back to Asia, before jumping continents to spread across the world up to 37.5 million years ago.

The sea surface temperature around the Great Barrier Reef this year is the hottest it has ever been in 400 years, posing huge threats to the coral reef ecosystem in the area.

Scientists found three distinct great-white-shark populations that congregate in different oceans and do not interbreed. Their separation may have implications for conservation.

Mummified woolly rhino discovered by miners in Russia's Sakha Republic to be fully excavated in the coming months, as researchers begin studying its intact horn.

Two endangered female sharks found to be reproducing asexually in the absence of males in what appears to be a vital survival mechanism amid declining male populations.