Astronomers have detected possible chemical signs of life on a faraway planet. But they caution much more work is needed to confirm their findings.

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

"Given everything we know about this planet, a Hycean world with an ocean that is teeming with life is the scenario that best ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

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

Our sun, like all stars, is made mostly of hydrogen and helium. They are by far the most abundant elements, formed in the ...

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