Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, ...

A Jupiter-like planet has been found orbiting a young sun-like star in a solar system far away in what is a potentially ...

A University of Idaho professor was part of a team that discovered a new moon in the solar system. The UI announced Thursday ...

A team of astronomers announced Tuesday that a new satellite measuring roughly 90 football fields across was discovered ...

Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds ...

Orbiting Saturn lies a quiet enigma - Rhea, the second-largest of its moons. Discovered in 1672 by Giovanni Cassini, Rhea has ...

This discovery was made by two of NASA’s most celebrated telescopes. This illustration provided by Dan Durda shows the exoplanet Kepler-1625b with a hypothesized moon. On Thursday, Oct. 4, 2018, two ...

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system.