It is microscopic and rod-shaped, can create spores, and may have evolved to survive hundreds of miles above our planet's surface. This bacterium, never before seen on Earth, was detected on China's ...

The search for life in space has led astronomers to look everywhere from the surface of Mars to the atmospheres of the most distant exoplanets. Now, scientists have discovered unknown bacteria that ...

A newly discovered species of bacteria has been found living aboard China's Tiangong space station, and scientists say it may be uniquely adapted to survive the extreme conditions of space. Named ...

Bacteria and the viruses that infect them, called phages, are locked in an evolutionary arms race. But that evolution follows a different trajectory when the battle takes place in microgravity, a ...