Astrobiology involves the study of the origin and history of life on Earth, planets and moons where life may have arisen, and the search for extraterrestrial li

Questions and answers explore various aspects of astronomy, including the planets, stars, and space exploration.

An engaging account of our quest for habitable environments, recounting fascinating recent discoveries and providing insight into future space missions.

There is no gravity in space. The North Star never changes its position in the sky. Earth’s shadow causes the phases of the moon. You may have heard these com

Aimed at the general reader, this is a readable 1998 account of the scientific basis for thinking there may be life elsewhere in the Universe.