Head to Tail.” I witnessed this scene in the Masa Mara park where two young lions were playing with their mother, they were ...

The chimps were given clues as to which box contained the treat, and what happened next made scientists stop and rethink what ...

A tiny plastic disc was quietly stored in a research archive in Massachusetts for close to 80 years. It was fragile, easily ...

Ana Endara/Nature painted this little frog perfectly. Imagine walking along a rushing stream in the deep tropical forests of Panama and catching a glimpse of a bright yellow darti ...

The callers tell the same story: tiny baby opossums, found alone on sidewalks, in yards or near wooded trails, helpless and apparently abandoned. What most people don’t expect is that these babies ...

Tiny wings, big attitude! A baby owl staring straight into the camera is something that’s almost impossible to scroll past.

It was a tegu, a big tropical lizard native to South America, lying motionless in the midst of a New England winter.This revelation stopped him dead in his tracks and frankly speaking it would stop ...

Its tiny face was being assembled cell by cell, according to instructions encoded in its biology long before the first ...

To be born incomplete, to be lacking something so essential to your survival that without it you’d slowly waste away. Now ...

That simple observation, replicated across dozens of crickets in a controlled study, has raised new questions about whether ...

The chimp is experiencing something that resembles social anxiety. The Ngogo Chimpanzee Project has been studying the same ...

The fish are not the little shiny fish scientists regularly pull from research nets during deep-sea surveys. These are bigger ...