Giant 16-inch footprints, equivalent in size to those of basketball player Shaquille O'Neal, were discovered in a Welsh ...

Tiny animals like oysters, mussels, zooplankton, and insect larvae filter debris and algae to keep lakes, rivers, and seas clear.

Equally mysterious and beautiful, octopuses are captivating creatures. There are over 300 octopus species, and they thrive in ...

What was 21-feet tall, looked like a T-rex and was covered in feathers? It was the Cryolophosaurus, of course! This eccentric ...