New work from Carnegie’s Alan Boss and Sandra Keiser provides surprising new details about the trigger that may have started the earliest phases of planet formation in our solar system. It is ...

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

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 from MIT and their colleagues have estimated the lifetime of the solar nebula — a key stage during which much of the solar system evolution took shape. This new estimate suggests that the ...

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

Astronomers still aren't exactly sure how planets get their start. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you want to build a planet, ...

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

While the upcoming total solar eclipse is a special moment to reflect on our place in the universe, scientists have been studying the birth of the sun and the formation of our solar system for a long ...

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