"The implication of alien technology would be huge and therefore we must take it seriously,” Harvard's Avi Loeb told Newsweek ...

Interstellar visitor 3I/ATLAS will reach perihelion on October 29, 2025, sparking theories from alien spacecraft to ...

Harvard's Avi Loeb gives a '40% chance' that interstellar object 3I/ATLAS is alien technology, citing 'anomalies' like pure ...

The expansiveness of the universe could make interstellar communication difficult, even for the most advanced civilizations.

I/Atlas, an interstellar comet heading toward the Sun, has drawn global attention. Harvard astronomer Avi Loeb claims there ...

WASHINGTON -- NASA has agreed to search its archives once again for documents on a 1965 UFO incident in Pennsylvania, a step the space agency fought in federal court. The government has refused to ...

The Milky Way contains a modest amount of alien civilizations, a new paper proposes — and there's a reason we aren't seeing ...

NASA’s Unexplained Files Season 6 continues to focus on many of NASA’s intriguing missions. It explores different mysterious sightings of flying objects by utilizing NASA’s space mission footage and ...

As 3I/ATLAS approached the inner solar system in September, the Nordic Optical Telescope in Spain's Canary Islands recorded a ...

When NASA discovers something strange on Saturn's biggest moon, experts investigate if aliens feeding on the electric atmosphere could be the culprit. The disturbing evidence points to a grisly ...