The ingredients that help make a planet livable did not necessarily come from where many scientists once thought. A new ...

The findings suggest Jupiter's formation shaped the chemistry that helped make habitable worlds possible.

A rare meteorite discovered in the Sahara Desert proves that our solar system almost had at least one extra planet. In a ...

The ice giant, now missing, may have disrupted some of the moons of Uranus and Jupiter.

Looking at the Solar System, Jupiter and Uranus both have plenty of irregular moons. In supercomputer simulations, the ...

This small, unassuming mineral may be older than Earth itself. Krotite reminds us of the vast timescales and surprising ...

Our solar system is a weird place. Much more than a home to eight planets, it’s filled with a myriad of fascinating other smaller bodies, including moons, asteroids, and comets. In recent decades, ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Scientists have discovered a bizarre planetary system where a rocky world orbits farther out than giant gas planets, defying long-standing theories of planet formation. The finding hints that some ...

Estimating ages of specific events is one of the most difficult problems in astrophysics. While we have a precise (and probably accurate) age for the solar system, we do not have precise ages for each ...