Horses, zebras, and asses (grow up) sweat to cool down. If you're unsure how sweat cools us down, it is because of ...

The Tremembé Formation itself is the only fossil-rich unit in Brazil from the Late Oligocene that preserves mammal remains.

As its invasion of Ukraine drags into a fourth year, such tactics have reappeared on the modern battlefield. Reports from the ...

Fat Bear Week has emerged as a beloved annual tradition at a national park in Alaska thanks to the massive mammals who get even bigger as they gear up for ...

Six species of North American bats glow under ultraviolet lighting, according to a new study. Researchers don’t know why certain mammals exhibit this odd trait.

If we set aside elephants and blue whales for a moment and shift our focus to the other end of the size spectrum, the world ...

The images, first shared online by Dogs of Chernobyl, a volunteer group that cares for stray animals in the exclusion zone, ...