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 strange tale of our first interstellar visitor keeps getting weirder. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The first known visitor ...

Scientists spotted an oddly shaped visitor in our solar system in 2017. And it was accelerating in an unexplainable way. Unsurprisingly, it's actually an icy comet, not an alien spaceship. And ...

CAPE CANAVERAL, Fla. (AP) — Our solar system’s first known interstellar visitor is neither a comet nor asteroid as first suspected and looks nothing like a cigar. A new study says the mystery object ...

From a teddy bear on Mars to Godzilla in a gas cloud, it's easy to see pretty much anything you want on the seemingly infinite canvas of space. And this year, on Valentine's Day, we choose to see love ...

Our solar system’s first known interstellar visitor is neither a comet nor asteroid as first suspected and looks nothing like a cigar. A new study says the mystery object is likely a remnant of a ...