A team of astronomers have found a mysterious object in the distant universe that could be dark matter or an inactive smaller ...

I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...

Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it warped light through gravitational lensing. The invisible mass, about a ...

A newly discovered odd radio circle in space could serve as a time capsule for the violent events that shape galaxies.

Scientists have blown stargazers’ collective minds after discovering a massive dark object in space that’s completely ...

A mysterious object with a mass equivalent to 1 million suns has been detected in space, but its nature remains unknown.

Astronomers have detected a mysterious dark object in the distant universe — and its size has them fascinated.

"As far as I know, there are no protocols for responding to the discovery of functioning alien devices near Earth." The post Astronomer Estimates 30-40 Percent Chance Mysterious Interstellar Object Is ...

Harvard astornomer Avi Loeb suggests interstellar object 3I/ATLAS could've sent off the Wow! Signal back in 1977.

A mysterious object spotted floating through our solar system last year might be an alien spacecraft that was investigating Earth, according to Harvard astronomers. The astronomers suggested the ...

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien technology, a scientist claims in a new report.

A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.