Scientists have discovered that the 3I/ATLAS — a Manhattan-sized interstellar object that potentially has alien tech — is ...

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...

More than two decades after it was first discovered, a mysterious ‘underwater city’ off the coast of Cuba is back in the ...

Mysterious drone flights over the airspace of European Union member countries in recent weeks have alarmed the public and elected officials ...

Lawmakers stunned as footage shows Hellfire missile bouncing off unidentified aerial phenomena, with experts testifying no ...

Harvard astrophysicist Avi Loeb suggests interstellar object 3I/ATLAS could be far more massive than previously thought.

The lumps frozen in Mars' mantle may have been there for billions of years. Astronomers may have figured out where the mysterious blobs embedded in Mars' mantle originated. The mysterious lumps have ...

The interstellar object 3I/ATLAS has withstood a powerful solar outburst, sparking renewed speculation that this enigmatic ...

The X-37B unmanned military spaceship launched from Cape Canaveral on Thursday night, officially beginning the age of space drones. If successful, it will perform the first-ever unmanned space ...

The account got started in the first place as the marriage of two memes, making fun of a post by Reuters social media guy Anthony De Rosa asking whether Reuters should use caps in tweets Twitter and ...