By the time the rumours reached the 'alien probe' stage, 3I/ATLAS had already slipped past the Sun and was heading back into the dark, doing what comets do best: ignoring human drama. Yet a faint, ...

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.

The discovery of a mysterious interstellar object called "3I/ATLAS" and its transit through our solar system has set off all kinds of speculation about whether the fairly massive visitor could be some ...

Take a deep breath. Reports that interstellar comet 3I/ATLAS is breaking apart have been greatly exaggerated – and radio signals received don't mean the object is an alien probe. In fact, quite the ...