Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

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

Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

If Earth’s astronomical observatories were to pick up a signal from outer space, it would require an all-hands-on-deck effort to untangle and decipher the extraterrestrial message. An art project from ...

(CNN) — If Earth’s astronomical observatories were to pick up a signal from outer space, it would require an all-hands-on-deck effort to untangle and decipher the extraterrestrial message. An art ...

TL;DR: In May 2023, the ESA's ExoMars Trace Gas Orbiter sent an "alien signal" to Earth as part of an art project called "A Sign in Space," aimed at testing the process of deciphering potential alien ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. If Earth’s ...

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The Kepler-22b reveal flips the storyline of the series. What started as a story about Earth going through a bizarre ...