A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

A chemical called dimethyl sulfide popped up in an analysis of exoplanet K2-18b’s atmosphere. On Earth, it’s only made by ...

Data from the James Webb Space Telescope finds molecules that could only be produced by life in the atmosphere of an alien ...

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

"The James Webb Space Telescope, with the UK-built MIRI science instrument on board, is uncovering more alien worlds, and it is powerful enough to examine the make-up of these planets' atmospheres.

But before you go picturing an advanced race of aliens, if anything is indeed living on the planet, it would likely be non-sentient microorganisms akin to Earth's phytoplankton. Some, called rogue ...

Have you ever wondered what would happen if a planet full of aliens was ever discovered? It's pretty mind-boggling to think just how vast the universe could be, and how much life could actually exist ...