Scientists propose that a moon base could act as an isolated first line of biological defense against extraterrestrial ...

Buzz Aldrin is quoted as having made three observations, one of which was of something with a "sizeable dimension." ...

For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small icy world in orbit around Saturn is emerging as one of the most compelling ...

In mid-November 1969, a trio of NASA astronauts launched to the moon on the Apollo 12 mission and would soon become the second group of humans ever to set foot on the lunar surface. Now, more than ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have long believed Saturn’s moon Titan hid a massive underground ocean, but new research suggests something even ...