Scientists have taken a close look at our activity within the solar system to determine where to look for signals from intelligent alien life. The findings apply if those extraterrestrials explore ...

A composite view of the Earth constructed by NASA from multiple satellite images Editor at Large Human evolution is a story writ slow. It’s been about 3.8 billion years since life on Earth emerged and ...

As they fly around the moon, the four astronauts of NASA's Artemis II will see views never seen by the human eye. Here's how.

The first time you experience weightlessness in space, Tom Marshburn told me, all the noise and pressure of launch suddenly disappear. One moment, the roar of engines shakes every bone in your body; ...