If you spied a fiery red star close to the full moon earlier this month, it was actually Mars shining its bright red light in the night sky. The planet will be visible at night throughout October, ...

An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to scientists. The planet, called WD 1856+534 b, is a gas giant exoplanet the size of ...

NASA's James Webb Telescope has been investigating the first-ever case of a star caught swallowing a planet—and, in classic crime thriller style, there has been a plot twist. Instead of the star ...

Astronomers are actively searching for Earth-like planets, with thousands of exoplanets now confirmed. While Proxima Centauri b is the closest rocky planet in a habitable zone, its true Earth-likeness ...