Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

"We found a 'super-Earth'—meaning it's bigger than our home ... i.e., transiting planet from telescopes like Kepler and TESS and radial velocity searches, have shown that other systems can ...

The idea that our Solar System is representative of other solar systems hasn't survived the age of exoplanet discovery.

Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have listened to the music of a nearby star, uncovering ...