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

Trail cameras at a protected forest in Australia photographed three rare mammals with bulging pouches —the site’s first wild-born babies. Photo from the Queensland’s Government In a protected forest ...

Discover more about the egg-laying monotremes of Oceania and the ancient traits they still carry.

The shift from lizard-like sprawl to upright walking in mammals wasn’t a smooth climb up the evolutionary ladder. Instead, it was a messy saga full of unexpected detours. Using new bone-mapping tech, ...