When you're looking for signs of extraterrestrial intelligence, it helps to know what you're looking for and to go about it ...

Just over 40 years ago, in his novel Contact, astronomer Carl Sagan imagined what it would be like to detect radio signals ...

Learn more about the space weather impacting our search of etraterrestial life and what research is planning to do about it.

SETI might be the new kid on the euro board game block, but it's already my favorite of the strategy genre, and Space ...

In the third week of August 1977, Ohio State University astronomer Jerry Ehrman was going over a computer printout of signals collected a few days earlier from his university’s “Big Ear” radio ...

Earth is dotted with many humongous, human-made structures. To an alien eye, they may be tell-tale signs of intelligent ...

Astrophysicist Benjamin Zuckerman concludes that no alien civilization has passed within 100 light-years of Earth in billions of years, based on the absence of alien probes or strong, continuous ...

Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of extraterrestrials date back to the earliest Indigenous and western thought. The tools ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

Humans have always been fascinated with space. We frequently question whether we are alone in the universe. If not, what does intelligent life look like? And how would aliens communicate? How could ...