The complex building blocks of life can form spontaneously in space, a new lab experiment shows.

In a quiet freshwater pond in Ibaraki Prefecture near Tokyo, researchers have pulled from the water a microscopic giant that ...

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

“What we can say with confidence is that heartworm evolution is far older and more complex than a simple story of parasites ...