Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

CAPE CANAVERAL, Fla. — The moon and sun share top billing in 2026. Kicking off the year’s cosmic wonders is the moon, drawing ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

Jupiter is the largest planet in the solar system, known for its massive size, strong gravity, powerful storms and many moons ...

Astronomers are uncovering distant worlds beyond our solar system using ingenious indirect methods like observing stellar ...

Ever wondered how planetary systems like our own solar system form? Thanks to the European Space Agency's Gaia space ...

There could be a ninth planet in our solar system that's lying in wait to be discovered - and no, it's not Pluto. Our solar ...

Neptune’s supersonic winds and icy storms revealed a planet so extreme that it changed how we think about planets.

New research suggests Uranus and Neptune may not be true ice giants, with rocky interiors dominating instead, challenging ...