E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

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 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 ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

The newly discovered interstellar object 3I/ATLAS could be a piece of "possibly hostile" extraterrestrial technology in disguise, according to controversial research from a small group of scientists, ...

Some people will look at this thing and go: “It’s a comet.” Others will look at it and go: “It’s alien technology.” According to ScienceAlert, it was July 1 when astronomers clocked a strange, ...

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.