Green Bank Telescope rules out alien signals in interstellar comet 3I/ATLAS after rigorous scientific deep search.

Does NASA have files on aliens? Jared Isaacman says no, and tells Ross Douthat on “Interesting Times” that extraterrestrials would pick a more exciting locale to visit than America’s naval bases.

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

Can NASA and Elon Musk get us to Mars and beyond?

Dr. Andreas Schwarz Head of Risk, Science, and Crisis Communication Research Group (iRisCS-Com), Technische Universität Ilmenau +49 3677 69-4694 [email protected] “Decadal Astrobiology Re ...

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

With the release, the American public could learn what, if anything, the government has documented about the unexplained sightings, such as one seen in a video made public last year by a member of ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

There are things the NASA chief has "come across in the job that he can’t explain," but aliens are not among them.

Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million people banded together in a real-time search for aliens -- with screensavers.