Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

WASHINGTON, Feb 19 (Reuters) - Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar system, revealing three layers like a ...

An ocean world that’s teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...

WASHINGTON (Reuters) -In May 2020, astronomers for the first time observed a planet getting swallowed by its host star. Based on the data at the time, they believed the planet met its doom as the star ...

Three years into its mission, the James Webb Space Telescope has advanced the search for alien life more than any machine before it. What will it find next? When you purchase through links on our site ...

WASHINGTON (Reuters) -In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest signs yet of possible life beyond our solar system, ...

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being greeted with both... Are there signs of life on alien planet K2-18b, or is ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...

Astronomers have made an extraordinary discovery—for the first time, scientists have directly observed two alien planets disintegrating before our eyes. These exoplanets, orbiting different stars, are ...

Astronomers using the James Webb Space Telescope (JWST) have identified what they describe as the most compelling evidence so far for biological activity beyond Earth. The findings focus on the ...