By Will Dunham WASHINGTON, Feb 4 (Reuters) - Jupiter, without a doubt, is the biggest planet in our solar system. But it ...

Asteroids are not just random rocks — some are massive, fast, strangely shaped, or on trajectories that make scientists pay ...

The curious minds at What If explore a brand new planet forming inside our solar system, imagining its effects on orbits, gravity, and cosmic dynamics.

With an image from the James Webb Space Telescope, NASA finds clues outside the solar system that explain crystals born in ...

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four ...

NASA’s Juno spacecraft finds Jupiter’s diameter slightly smaller than old estimates, providing precise data on the gas ...

NASA's Perseverance rover discovered rocks on Mars, providing new evidence the red planet was once a wet, habitable world ...

The findings, detailed in papers posted on arXiv, mark a rare scientific achievement for an object that formed around a star ...

The solar system’s most giant planet is slightly less of a giant than scientists once thought. Jupiter, a world that is so ...

Recently, a group of scientists created a detailed map of this space, showing that the bubble is lopsided in both shape and ...

Clips of a three-year-old Lego clock video that I'd not seen before just resurfaced, and it's making the rounds across social ...

Mars, the planet we see today—arid, cold, and covered in red dust—may have once been a "blue planet" with a vast ocean that ...