Astronomers have spotted a lonely world roughly the size and mass of Saturn, drifting through the Milky Way without a star to orbit. The discovery turns a once theoretical curiosity into a concrete ...

It provides a dynamic, time-resolved view of planetary transformation, a missing link between young inflated worlds and the compact sub-Neptunes that populate the galaxy.

An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar system TOI-2267 located about 190 light-years away. This discovery, published in ...

NASA’s Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star to be in ...

NASA's CUTE mission, aimed at observing extreme exoplanets, is poised to make huge strides despite the spacecraft's compact size and limited resources. Launched in September 2021, the Colorado ...

Using publicly available data from NASA’s Kepler space telescope, astronomers at the Harvard-Smithsonian Center for Astrophysics (CfA) estimate that six percent of red dwarf stars in the galaxy have ...