Despite their enormous size, giant ancient kangaroos may have been capable of hopping in short, powerful bursts.

You live in a galaxy packed with black holes that never announce themselves. They do not blaze in X-rays or glow with stolen gas. They hide. Astronomers find them by watching the stars that dance ...

Researchers believe they may have worked out why giant trevally swim upstream in the Mtentu Estuary and circle in vast ...

For over a century, it was assumed that science had a handle on the big categories of life on Earth: plants, animals, fungi, and microorganisms were t.