SPACE scientists may have missed alien probes because they’re just too small. That’s the bold claim from an astrophysicist who reckons we’ve been looking for extraterrestrial life the wrong way.

A strange interstellar object is hurtling its way toward our pale blue dot — and according to a Harvard astronomer, there's a chance it's not a benign asteroid or comet, but instead some harmful form ...

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.