For the first time, NASA's TESS (Transiting Exoplanet Survey Satellite) mission has identified a planet orbiting a distant ...

Astronomers could multiply the known catalog of planets outside our solar system by a factor of roughly 16 in a single ...

Astronomers may have discovered a new type of planet beyond our solar system, according to new research. The exoplanet, named "L 98-59 d," was first identified in 2019, but further observations using ...

There may be a warp in the Kuiper Belt, possibly caused by “Planet Y” — a Mercury-to-Earth-sized world that orbits the sun way beyond the orbit of Neptune. Is there a mysterious “Planet Y” orbiting ...

Two ‘super-puff’ planets lighter than cotton candy have been discovered by scientists—and they’re bigger than Jupiter.

A Jupiter-size exoplanet orbiting a dead star baffled astronomers. But the planet named WD 1856 b could preview the fate of ...