A scientist has recently posited that a mysterious interstellar object, potentially of extraterrestrial origin, appears to be ...

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.

NASA's worst fear just entered our solar system: a metallic mothership shaped like a cigar. Discover the latest news.

The interstellar invader Comet 3I/ATLAS is continuing to surprise scientists, this time by brightening at an unexpectedly ...

Spotted by the NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS) on July 1, the third interstellar visitor is ...

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

I/ATLAS was first discovered on July 1, 2025, by the ATLAS telescope system in Hawaii. Its hyperbolic orbit, a trajectory not ...

The comet has changed its physical appearance as it hurtled through space being tracked continuously by researchers on Earth ...

Scientists were surprised to note that 3I/ATLAS brightened much faster than they anticipated during its perihelion last week.

The cosmos never ceases to amaze, and the interstellar comet 3I/ATLAS is the latest celestial body to capture the attention of scientists and enthusiasts alike. As it made its closest approach to the ...

A Harvard astronomer is suggesting that an interstellar object nearing Earth could be an engineered object — rather than a natural one — after making similar claims in in 2023 and 2017. "The ...