An exoplanet orbiting a dwarf star 124 light-years from Earth made headlines around the world in April 2025. Researchers at ...

Mathematicians calculated where the planet might be based on its effects on Uranus, and astronomers searched for less than an ...

The planet K2-18b is located about 120 light-years away from Earth, in the direction of the constellation Leo. It orbits a red dwarf star and has a mass approximately eight times that of Earth, with a ...

What can sub-Neptunes, exoplanets whose sizes are between Earth and Neptune, and which are between the known for their water-rich compositions, teach astronomers about both where and how to find life ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...