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.

A recently circulated photo from NASA’s Mars Perseverance rover has sparked renewed fascination with interstellar comet 3I/ATLAS. The striking image appears to show a bright, cylindrical object moving ...

In early July, astronomers spotted a strange, fast-moving object racing toward the Sun. Named 3I/ATLAS, the celestial body immediately caught attention because of its unusual trajectory — one that ...