Jupiter is huge when it comes to planets in our solar system, but it turns out there's actually an upper limit when it comes ...

"We were definitely surprised by the 'kiss' part of kiss-and-capture. There hasn't really been a kind of impact before where the two bodies only temporarily merge before re-separating!" ...

Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.

Eris was discovered. It was considered the largest known dwarf planet in the solar system until a year later when Pluto was ...

New research underscores the physics of potential oceans on moons like Europa and Enceladus where aliens could hide ...

A few decades ago, the Solar System had nine planets, but in 2006 the International Astronomical Union reclassified Pluto as ...

Mars is on the cusp of becoming bigger and brighter than at any point since 2022 as it comes into alignment with Earth and ...

These space rocks were fundamental building blocks of planets in the early solar system, while the remaining ... is home to the largest camera ever built. It will give astronomers almost five ...

Behold, the giants! The Hubble Space Telescope has completed a decade of observing Jupiter, Saturn, Uranus and Neptune.

Keep your eyes on the sky this upcoming year for a chance to spot breathtaking meteor showers, a special view of Saturn and a ...

Moons are either gravitationally captured if they are within what's called a planet's Hill sphere radius, or they're formed along with a solar system. Objects exert a gravitational force of ...