“We observed much lower metallicity than our models predicted for the planet’s bulk composition,” study co-author and ...

Astronomers used the James Webb Space Telescope to get a second look at a "forbidden" planet that's nearly as large as its ...

A massive exoplanet orbiting a small red dwarf star has revealed an atmospheric composition that contradicts long-standing ...

A Jupiter-sized gas giant has no business orbiting a star roughly half the mass of our Sun, yet TOI-5205 b does exactly that.

Scientists have discovered that a highly unusual giant planet—sometimes called "forbidden"—could have an atmosphere with ...

Dying stars may be wiping out nearby giant planets as they expand into red giants. Astronomers found that these close-in planets become increasingly rare around more evolved stars, suggesting many ...

The largest survey of exoplanets using an observatory atop Maunakea on the Big Island confirms a long-predicted relationship between planetary mass and rotation — putting a new spin on planet ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration depicts what the surface of one of the exoplanets orbiting Barnard's Star may look like. The other three planets ...

A NASA mission has spotted an Earth-size exoplanet orbiting a small star about 100 light-years away. The planet, named TOI 700 e, is likely rocky and 95% the size of our world. The celestial body is ...

Exoplanet WASP-189b has revealed a direct chemical link between stars and planets, giving scientists new insight into how ...

An illustration depicts what the surface of one of the exoplanets orbiting Barnard's Star may look like. The other three planets within the system can also be seen. - International Gemini ...