New James Webb Space Telescope (JWST) images show the first carbon dioxide-containing planet discovered outside of Earth’s ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

The study builds on previous research investigating different biosignature gases, including dimethyl sulfide, another ...

Scientists discovered that methyl halides, a gas produced by microbes, could be a biosignature for life on distant planets.

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...