Add Yahoo as a preferred source to see more of our stories on Google. A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And ...

Is it a comet or an alien spaceship? That’s the question that many have been asking ever since a large object — one that originated somewhere far, far away — was spotted in our solar system earlier ...

A scientist has claimed our first encounter with an alien spacecraft could be nothing like the way we anticipate it will be. Earlier this year the mystery space rock, 31/ATLAS, sparked a number of ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...

For centuries, humans have gazed at the stars and wondered whether we are alone in the universe. The question of extraterrestrial life is one of science, philosophy, and pop culture's most enduring ...