On Nov. 27, 2001, NASA announced the first detection of an exoplanet atmosphere. Using the Hubble Space Telescope's ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

A FIERY hell-world that would instantly roast visitors alive has a vast lava ocean – and may be packed with rare gems. The ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light ...

Planet hunters have grown used to strange worlds, but a handful of discoveries now point to something even more radical: ...

What: New JWST observations probe the possible atmosphere of TRAPPIST-1 e, an Earth-sized planet in the habitable zone of a ...

A new study of the red dwarf system TOI-3884 has uncovered rare, persistent spot-crossing signals that reveal unusually detailed information about the star’s magnetic activity and the planet’s orbital ...

The Webb Telescope has issued a weather for a rogue planet named SIMP 0136. The forecast is auroras, sand clouds, and temperature changes.

No planets cooler than about 35.33 degrees Fahrenheit had ever been detected. An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to ...

Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away.

See imaginative exoplanet worlds by St. Ann’s fifth graders at Blakemore Planetarium, Museum of the Southwest, on view ...