What do you think of when it comes to extraterrestrial life? Most popular sci-fi books and TV shows suggest humanoid beings ...

Other scientists urged caution. A "molecule glimpsed in the air of a planet 729 trillion miles away is a thin reed upon which ...

Astronomers raised hopes that humanity might not be alone in the universe by announcing on Thursday they have detected the ...

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

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

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.

New data from the James Webb could have given us the most likely evidence of life on other planets that we've ever found.

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

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

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

Scientists using the James Webb Space Telescope have detected potential biosignatures in the atmosphere of exoplanet K2-18 b.