A distant ocean-covered world, teeming with life. That's the most likely explanation for a new discovery made by scientists ...

Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even ...

A common mineral, α-alumina, found abundantly in Earth's crust, may have played a critical role in initiating the chemical ...

Microbes - alive and thriving -- have been found sealed within a fracture of 2-billion-year-old rock beneath Earth's surface.