About 4 billion years ago, Earth began to show signs of the conditions that allowed the first cells to take hold and populate ...

The U.N. has identified Kabwe, a city of almost 300,000 people in Zambia, as one of the most polluted places on the planet.

A four-person crew will spend three to five days aboard a SpaceX capsule orbiting above the poles of Earth — a flight path ...

"Successfully growing edible mushrooms in space represents a significant milestone for space exploration and sustainable ...