Researchers say, for the first time, there's evidence that predator training of pregnant endangered mammals can influence the ...

It is easy to assume that iconic animals such as tigers, elephants, and leopards will always be part of the natural world.

From the Vaquita to the Javan Rhinoceros, discover five endangered animals facing extinction. Learn about the threats they ...

The thylacine died a year later, and although unverified wild sightings persisted for decades, the species is now considered ...

Ancient DNA reveals that cave lions were a distinct evolutionary lineage that split from modern lions more than a million years ago.

In April of 2025, headlines across the world announced that the dire wolf had been brought back from extinction. This 130-150 lbs wolf species, about 25% heavier than modern-day gray wolves, had not ...

By Will Dunham June 4 (Reuters) - The cave lion was one of the biggest cats to ever live, prowling a huge swathe of territory from Western Europe across Siberia and into North America and hunting ...