If they exist, aliens give short shrift to humans as a food source.
Scientists search for narrow-band transmissions in outer space as a possible sign of extraterrestrial life.
What's really going on with alien abductions? "Asleep at the Saucer" on this Moment of Science.
The Obama administration offers some hope but no change on the matter of extraterrestrial contact.
This is it! Scientists have finally found definitive proof of an alien civilization of incredible power! We found aliens! Oh, wait. Nevermind. It was a quasar?
MTV for Martians? Maybe not, but the idea of broadcasting into space is not as far out as you'd think!
Last time we mentioned the time when Soviet radio astronomers went public about listening in on radio signals from an alien civilization. As it turned out, what they were actually listening to was a quasar: the blazing core of a galaxy that can emit radio waves that fluctuate in a regular pattern. So regular, in fact, that people thought it was an alien intelligence. Learn more on this Moment of Science.
This is it! Scientists have finally found definitive proof of an advanced alien civilization of incredible power!
Since time slows down the closer you get to the speed of light, if alien spaceships could travel at light speed, wouldn't they take longer to get places?
Did UFOs attack fighter planes in June of 1969? Find out on this Moment of Science.