Astronomers have long relied on two main methods to detect exoplanets—the transit method, which looks for dips in a star’s brightness when a planet passes in front of it, and the radial velocity ...

Although many brown dwarfs have been detected to date, these objects orbiting other stars are a rare find. HD 206893 B is a substellar companion to HD 206893—a star of spectral type F5V located ...

The brown dwarf, not quite a planet or a star, is Gaia-5b. Respectively, they are 244 and 134 light-years away. "This discovery is an exciting tip-of-the-iceberg for the exoplanet discoveries we ...