Hundreds of whale fossils, including those from extinct species new to science, range in age from recent to five million ...

So many humans live on Earth, it’s hard to imagine there are animals we haven’t seen for years, decades, or even millions of years, but it keeps happening! Animals believed extinct that were found ...

True extinction is final, a point of no return where a species disappears forever. And sadly, species go extinct all the time. But in some rare cases, animals believed to be lost for good have ...

A rare animal previously believed extinct has been captured on hidden cameras in California. According to a recent study by Oregon State University (OSU), coastal martens, also known as Humboldt ...

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

On one of the final days of 1938, a fishing trawler off the coast of South Africa reeled in a massive creature unlike anything the crew had seen before. It was nearly five feet in length, and its fins ...

Researchers say the remarkable discovery was made using fossils, photos and a misidentified museum specimen Arman Muharmansyah/Australian Museum Two marsupials ...

The Toolache wallaby went extinct nearly as quickly as it was discovered after conservation efforts failed to save it.

The world's rarest marsupial, once thought entirely extinct, may have a second chance for survival, thanks to the DNA in its ...