The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

A group of Chinese scientists is diving deep into the cosmos in search of alien radio signals from the TRAPPIST-1 star system ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

A challenge facing alien hunters is discerning natural from artificial signals, but new research suggests we're better equipped than we thought. Reading time 3 minutes An encouraging new study has ...

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...

Astronomers discovered the TRAPPIST-1 system, a family of tightly packed planets swarming a red dwarf star, about eight years ago. Credit: Mark Garlick / Science Photo Library / Getty Images ...

Visitation from an alien intelligence would be either the coolest or the worst thing that could happen to our species. From the moment an alien showed up on our radar, we’d be in for a world of ...

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

If aliens are synchronizing their signals with light coming from supernova 1987A, then the search for extraterrestrial intelligence (SETI) is on the case. Scientists with the institution say they may ...

In 2007, David Narkevic, then a physics undergrad student at West Virginia University, stumbled on something unusual when combing through archival data. Two of his professors, Duncan Lorimer and Maura ...

A graduate student is spearheading an extraordinary scientific endeavor -- a groundbreaking mission to uncover periodic signals emanating from the core of the Milky Way called the Breakthrough Listen ...