Finding resources far from Earth is a well-known spaceflight limitation, but metal-harvesting microbes provide a method for tapping outer space’s mineral wealth.

In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones.

A virus that is big enough to be seen under an ordinary light microscope co-opts its host’s systems with the help of ...

More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.