When most people hear the phrase "ocean acidification," they think of coral reefs, shellfish or declining fisheries. Those ...

Scientists have painted the most detailed portrait yet of the planetary system orbiting Barnard's Star—the sun's closest ...

The discovery boosts the chances of finding extraterrestrial life.

An Earth-like planet within the habitable zone of a star has been found to have an atmosphere, raising hopes it could support life.

A discovery that caught the attention of Chinese netizens on Sunday was that astronomers have confirmed an exoplanet named ...

Researchers have found an Earth-like, rocky planet orbiting within the habitable zone of a distant star with an atmosphere.

It seems like a contradiction. Mercury is the closest planet to the Sun, so it would be natural to assume it is also the ...

At the right point of the orbit and stellar cycle, the star’s chromosphere brightens.

In a major milestone in the search for life on other planets, astronomers have detected, for the first time, an atmosphere ...

Astronomers have revealed the most detailed analysis yet of the four planets orbiting Barnard’s Star, one of the closest ...

A speculative paper argues that ancient planetary flybys may have helped trigger some of Earth’s mass extinctions.

A Jupiter-size exoplanet orbiting a dead star baffled astronomers. But the planet named WD 1856 b could preview the fate of our own solar system when the sun dies.