Researchers say they discovered evidence that early Earth was home to more hydrogen than previously thought, calling into ...

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

New JWST data strengthens earlier hints that K2-18b, a possible water world 120 light-years away, could host the chemical byproducts of life.

A new study led by a University of Calgary scientist has found evidence that suggests Mars once had a carbon cycle, giving ...

In this week’s episode of Space Minds, Bill Nye, CEO of the Planetary Society sits down with host David Ariosto. The conversation starts with Bill’s journey but quickly pivots to the ...

Astronomers claim they've found the most promising signs of possible life on a planet outside of our solar system.

Astronomers using the James Webb Space Telescope confirmed that the planet K2-18b has traces of dimethyl sulfide, a potential ...

A new discovery could represent the most concrete evidence of alien life to-date, but scientists caution that further studies are needed.

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest ...

Scientists have detected a molecule in the atmosphere of planet K2-18b, 120 light-years away, strongly linked to life on ...

Finding evidence of life in the cosmos is the “holy grail” of exoplanet science, one of the scientists said, but there is still a 0.3% chance that the observation is a statistical fluke.

Astronomers have made a detection suggesting biosignatures, or signs of biological activity, on an exoplanet located 124 ...