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.

An ancient Martian system of canyons and valleys could be home to archaic life forms, a ground-breaking scientific paper has ...

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 ...

Researchers have found the missing ingredient for life on Saturn's icy ocean moon, Enceladus. But what might this life actually look like? Enceladus was already believed to be a fairly good candidate ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: dottedhippo via Getty Images An advanced alien civilization may want to cruise around the ...

In a new study, scientists take on the search for extraterrestrial intelligence (SETI) community — and determine that they may have a crisis of imagination. Speaking to Universe Today, Columbia ...

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 ...

To explore the galaxy and hunt for resources, intelligent aliens might need to turn their home stars into natural spaceships, a new paper suggests. A few known star systems might fit the bill. An ...