Venus is the hottest planet in the solar system due to its thick carbon dioxide atmosphere, trapping heat as part of a ...

If you thought planets only circled stars in neat, flat disks, think again. Scientists have uncovered compelling evidence for ...

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

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

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

you'll get 20 different takes on how confident they are," says Brown. "But I just don't see a way that the solar system can ...

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

As experts turn their gaze to the sky, the likelihood of new discoveries increases exponentially. In a new paper published in the journal Earth, a group of scientists may have come ...

Scientists using the James Webb Space Telescope have obtained what they call the strongest signs yet of possible life beyond ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Using the James Webb Space Telescope, scientists say they found indications of potential life on K2-18b, a planet outside our solar system.

Carbon dioxide has been detected on a planet outside our solar system for the first time ... solar systems and see how they are similar to or different from ours. From there, we can try to ...