Nature & Animals

Short, surprising and true. Pick a topic or let us surprise you.

Two hearts pump blood through the gills and one pumps it around the rest of the body. Their blood is blue because it carries oxygen with…

Researchers have linked this to differences in the stretchiness of the wombat's intestines, which shape the droppings into cubes as they dry.

The earliest shark-like fish appeared more than 400 million years ago. The first trees appeared roughly 350 to 385 million years ago.