NASA's TESS exoplanet hunter has found the fastest-disintegrating planet ever. Losing a moons-worth of matter every million years, it is a prime target for the James Webb Space Telescope.

"There are still many things related to planetary formation and the early evolution of young planetary systems that we don't ...

Gravitational microlensing occurs when one star passes directly in front of a background star ... three of the smallest rocky exoplanets yet detected—each no larger than Mars—closely orbit ...

There's a nearby planet with twin suns like Tatooine, a water world with a hydrogen atmosphere, and a "rogue" exoplanet with no sun at all. Scientists have found gas giants so improbably huge they ...

An international team of astronomers has reported the detection of a new exoplanet orbiting a bright late F-type star. The ...

These exoplanets (planets orbiting a star other than our sun) orbit close to red dwarf stars that are smaller and cooler than the sun, and which make up over 75% of the 200 billion stars in the ...

The first exoplanet, 51 Pegasi b, had just been announced, and almost no-one believed it. The method used to detect it was indirect, the signal was small, and the data were hard to parse.