A newly discovered warp in the outer Solar System may have been created by a small, rocky world, much closer to the Sun than ...

A newly discovered dwarf planet could hold the key to unlocking the mysteries of our solar system’s outer reaches — but what ...

Just a few weeks ago, we crossed the significant milestone of 6,000 known exoplanets. The counter keeps getting higher, and there are 8,000 more candidates waiting for confirmation. In the decades ...

The rings of Saturn are among the wonders of the solar system, with a diametre of roughly 175,000 miles (280,000 kilometers) ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

"This finding is the first direct evidence of water’s interstellar journey from clouds to the materials that form planetary ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

Bill McKinnon shares his story of a career spent studying the geology and geophysics of icy worlds beyond our own. McKinnon, ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

For decades, astronomers have been awed by Saturn’s ring beauty. But a tiny, icy wanderer drifting between Saturn and Uranus ...

Is interstellar object 3I/ATLAS an alien probe or a natural comet? Explore the compelling scientific evidence, from its tail to its chemical makeup, that debunks the myths.

Earth's Dynamic Magnetic Fortress Our magnetosphere plays the role of gatekeeper, repelling unwanted energy that's harmful to ...