Harvard astronomer Avi Loeb says interstellar object 3I/ATLAS could be firing its "thrusters" to leave the solar system.

For decades, U.S. military pilots, radar operators, and everyday Americans have reported mysterious objects in the skies — ...

New research suggests that the holes were the site of an ancient marketplace, and Inca rulers may have used them as a ...

Viral video of the 3I/ATLAS interstellar comet has reignited alien theories online, but scientists confirm the object’s ...

A popular UFO-reporting app has been making waves after reportedly recording tens of thousands of mysterious underwater objects up and down the United States’ coastlines, raising eyebrows and leaving ...

In a warehouse more than 1,500 kilometers (900 miles) from Ukraine’s capital, workers in northern Denmark painstakingly piece together anti-drone devices. Some of the ...

Harvard astronomer Avi Loeb suggests the interstellar object 3I/ATLAS could be an alien spacecraft, using thrusters to accelerate its exit from our solar system.

Scientists discover hidden cavities inside Egypt’s Menkaure Pyramid, fuelling theories of a secret 4,500-year-old entrance.

In a warehouse more than 1,500 kilometers (900 miles) from Ukraine's capital, workers in northern Denmark painstakingly piece ...

In this thrilling video, we delve into the epic showdown between two iconic extraterrestrial species: Alien vs. Predator.

In the most talked-about film from the final year of the 20th century, "The Matrix," a computer hacker named Neo finds that ...

The interstellar object named 3I/ATLAS is continuing its journey through the Solar System. After making a pass by Mars, it ...