Declassified Pentagon papers describe a US military witness's watch jumping 25 minutes after a UFO encounter. Digital devices ...

The new project from the bestselling author of The Martian and Project Hail Mary is a time travel survival story ...

Marco Rubio has insisted there is no secret US government cover‑up of alien technology, telling a podcast on Tuesday that while 'unidentified anomalous phenomena' are appearing over American military ...

Audible set a fall launch for 'Exoplanet,' a sci-fi thriller executive produced by Andy Weir starring Anthony Mackie, Ariana DeBose and John Leguizamo.

People around the world are gathering in wilderness settings with the intention to initiate contact with UFOs using various ...

After decades of secrecy, stigma, and sometimes silliness—like the conspiratorial tales about recovered spacecraft and alien ...

The 60 percent and 100 percent come from assuming that at least some small share of other planets — out of the estimated 300 ...

Astronomers may have been listening for alien civilizations in only a small slice of the radio spectrum while overlooking a largely unexplored range of higher frequencies. Using archived data from the ...

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Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that signal has normally been based on our own current cutting-edge technology. But ...

ALMA's DV-59 antenna in the foreground with multiple other antennas observing the sky in a night dominated by the Moon.ALMA / Alex Pérez / CC BY 4.0 Astronomers might be hunting for alien signals in ...