The cold, icy world of Uranus is framed by a pair of rings that orbit the planet at twice the distance of its main ring ...

As August 2023 draws to a close, we find ourselves deep within retrograde season with seven planets in apparent backward motion. The lineup includes inner planets Mercury and Venus as well as those ...

When the solar system was first organizing itself, a disk of gas and dust took shape around the sun's central mass. It eventually sorted itself into the system of planets we see today. But there are ...

Astronomers have probed deeper than before into a planetary system 130 light-years from Earth. The observations mark the first results of a new exoplanet survey called LEECH (LBT Exozodi Exoplanet ...