A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

Apollo 8, 1968. The first view by human eyes of Earth. The following is the transcript of the conversation between the ...

One of the most enduring and powerful images from America's space program. Earthrise was taken on Christmas eve in 1968 by Astronaut William Anders, Lunar Module Pilot. It is a vintage print in suberb ...