E.T. is still not phoning Earth.
Aliens can refer to everything from little green men in the sci-fi realm to microscopic life forms beyond Earth. For all these possibilities, Live Science has you covered. We break down the latest discoveries that hint at life on other planets and the state of scientific searches for such extraterrestrial life. Sometimes, we may dissect a "little green man" sighting as well.
Black holes are engines of destruction on a cosmic scale, but they may also be the bringers of life.
Such a mission would have to keep two spacecraft, separated by thousands of miles, aligned within 3 feet of each other.
A new instrument designed to find potentially habitable alien worlds in the nearest star system to our own sun just revved up.
There's a rocky planet in our stellar neighborhood that's very big and cold. However, scientists argue, it might still hold life.
With research on extraterrestrial life continuing across the world, a noted researcher from the SETI Institute launched a new tool to help researchers keep track of results.
Discover the incredible true story of a secret, decades-long federal investigation of alien encounters.
The evidence for aliens around one of the weirdest stars in our galaxy — Boyajian's star — is not looking promising.
For the precocious hunter of off-Earth life, the Drake equation is the ever-ready, go-to toolkit for estimating just how (not) lonely humans are in the Milky Way galaxy. But it's not useful.