A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

Nestled 1,000 light-years from Earth, a massive, chaotic disk is offering scientists a unique glimpse into the birthplace of ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system? When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

"For the first time, we have identified the earliest moment when planet formation is initiated around a star other than our sun." When you purchase through links on our site, we may earn an affiliate ...

By tracking tiny stellar wobbles, astronomers have detected planets forming around young stars for the first time.

When you look up at the night sky, planets seem calm and fixed. But a new study shows that nearby planetary systems can be ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

Ever wondered how planetary systems like our own solar system form? Thanks to the European Space Agency's Gaia space ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial rocks reveals. When you purchase through links on our site, we may earn an ...

The exoplanet, dubbed PSR J2322-2650 b, has a helium-and-carbon atmosphere, something researchers say they've never seen ...