Add Yahoo as a preferred source to see more of our stories on Google. Photo Illustration by Thomas Levinson/The Daily Beast/Getty Between 1957 and 1968, scientists decided to try their hand at ...

The plot of the movie Independence Day could soon become reality—as early as this November. According to Harvard astronomer Avi Loeb, a 20-kilometer-wide unidentified space object exhibits some ...

Mysterious space object was possible alien probe A mysterious space object spotted by astronomers last fall might have been an alien probe, according to a new paper by Harvard researchers.

A new investigation into an infamous UFO conspiracy claims to have uncovered proof that top-secret documents labels as fakes ...

The mysterious, elongated object named Oumuamua that hurtled past Earth last year could have been an alien spacecraft, according to astronomers from Harvard University. Oumuamua—or “messenger from ...

The European Space Agency's JUICE spacecraft has captured detailed images of the interstellar comet 3I/ATLAS, offering ...

For months, scientists and the public have squinted their eyes at photos of a blurry smudge to figure out if it’s proof that aliens exist. Discovered in July, 3I/ATLAS is not your average comet – it’s ...

Five years ago a very strange object—maybe a thousand feet long, oblong, shiny and fast—streaked across space, tens of millions of miles from Earth. Its course and speed indicated it had come from ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Antennas of the ...

An alien visitor passing through our solar system made its closest approach to Mars earlier this month, and two European robotic spacecraft orbiting the red planet turned to take a look. 3I/ATLAS is ...

U.S. intelligence officials found no evidence that unidentified aerial phenomena observed by Navy aviators in recent years were alien spacecraft, but the sightings remain unexplained in a highly ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it? There's been a lot of hype and rumours about alien comet 3I/ATLAS lately, so where ...