Every year, gray whales embark on one of nature’s most epic migration journeys. Here’s what we know about it, according to ...

The saola is a real and documented animal, but it remains a mystery to most experts and researchers. A forest-dwelling bovid ...

Sensitive hearing may have evolved in mammal ancestors far earlier than scientists once believed. By modeling how sound moved ...

At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched equid. Here’s why.

A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to ...

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 ...

Research from the 2025 Regional Mammal Red List shows that one in five mammals are threatened with extinction.

Many populations improved because the Marine Mammal Protection Act worked.

The smallest mammals on Earth are vanishing faster than most people realize, and the line between survival and oblivion has ...

Millions of years of isolation have shaped Australia's extraordinary mammal fauna into species unlike anywhere else in the ...