Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even ...

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

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

K2-18 b is 8.6 times as massive as Earth and with a diameter of about 2.6 times as large as our planet. It orbits in the ...

Astronomers have found thousands of exoplanets — worlds beyond our solar system. Most of them are in single-star systems, ...

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system ...

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

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" indicating extraterrestrial life.

Near a planet far, far away astronomers have found traces of chemicals that on Earth are only produced by living beings.

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

Astronomers have detected molecules on exoplanet K2-18b that may have been produced by simple organisms, claiming it's the strongest evidence yet of life off Earth.