When the first object ever known to have visited the Earth's Solar System from outer space zoomed past in 2017, it was so strange that at least one leading astronomer was convinced it was an alien ...

In 2017, ‘Oumuamua appeared in the sky as the first confirmed interstellar object. We still aren't entirely certain what ‘Oumuamua was—though we can be mostly certain it wasn't an alien spacecraft.

Spread the love“`html As the interstellar comet 3I/ATLAS approaches Earth for its closest flyby, excitement and concern fill the air. This rare astronomical event has sparked considerable interest, ...

'Oumuamua, the first known visitor from beyond our solar system, is long gone, but it's still leaving scientists guessing. A new explanation proposes that the strange object was a "monstrous fluffy ...