The crew of an alien spacecraft entering the Solar System, maybe looking for planets bearing alien life, would be struck by ...

It would take 120 years to travel to planet K2-18b at the speed of light. Here's how we know what could lie there.

In what may be the most significant clue to alien planet life yet, scientists studying K2-18b have detected two sulfur-based ...

Scientists using The James Webb Space Telescope have uncovered potentially earth-shattering evidence indicating that a ...

"Any claim of life on another planet requires a lot of justification, and I don't think we're there yet, Måns Holmberg, a ...

An immense water world, right in our cosmic backyard, could be teeming with alien life ... we know about this planet, a Hycean world with an ocean that is teeming with life is the scenario ...

Scientists from Cambridge University have identified strong signs of alien life using the James Webb Space Telescope on ...