Key takeawaysIf a gas giant planet is big enough to ignite deuterium fusion, it becomes a brown dwarf instead of a planet.

NASA announced a new milestone in its search of the stars. It has now found more than 5,000 exoplanets -- those outside of our solar system. “It’s not just a number,” Jessie Christiansen, a researcher ...

Two researchers have found an explanation for why we find almost no exoplanets orbiting binary stars. According to them, ...

Astronomers have discovered a planetary system that appears to flip one of astronomy's most reliable rules on its head.

A global team of astronomers led by a Turkish scientist has discovered four new exoplanets, one of which lies within the inner edge of its star’s habitable zone and may have an atmosphere, 90 ...

NASA's ExoMiner++ AI flagged about 7,000 possible exoplanets from TESS data. ExoMiner++ automates planet detection, speeding up and improving accuracy. NASA's open-source AI helps global researchers ...