This Discovery Just Changed What We Know About The Earliest Life Forms on Earth

Small, cheap spy satellites mean there’s no hiding place. Fleets of them will eavesdrop on every part of Earth’s surface.

Buried beneath 20 kilometers of ice, the subsurface ocean of Enceladus—one of Saturn's moons—appears to be churning with currents akin to those on Earth

Discovery of a third T cell lineage