This ‘NOVA’ presentation focuses on therapsids, lizard-like creatures with distinctly mammalian characteristics that lived on Earth more than 200 million years ago.

An Alaskan congressman wants to open the floodgates on marine mammals in favor of fossil-fuel exploration.

Premieres Wednesday, Feb. 11, 2026 at 9 p.m. on KPBS TV / Stream with KPBS+. The surprising story of mammal evolution begins ...

It's not uncommon for scientists to uncover new fossils from the ages of dinosaurs, but every now and then, a discovery reveals much rarer information. Scientists unearthed the fossil of the small and ...

The world's oldest known mammal has been identified using dental records – predating what scientists previously thought was the first mammal to walk the Earth by millions of years – according to new ...

Since 2005, the global count of living mammal species has risen by 25%.

Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

New research has dramatically expanded the known roster of mammals on Earth. A new review published in the Journal of Mammalogy shows that the number of living mammal species has surged to nearly ...

A remarkably well-preserved fossil discovered in China suggests that millions of years ago, some mammals actively hunted dinosaurs that were several times their size. The 125-million-year-old bones, ...