As it turns out, the conditions that set Venus and Jupiter up for their conjunctions in the sky are the same that are ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...

Earth’s earliest chapter is mostly gone. Rocks from the planet’s first few billion years have been eroded, buried, recycled, ...

Most of us learned the basics of our solar system in school. Eight planets, one sun, some moons, a couple of asteroid belts.

This week's science news.

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

Scientists may have found one of the main sources of rocky material for the solar system, forming diverse populations of baby ...

Scientists may have identified one of the Solar System’s most important “planet factories” hidden just beyond Jupiter.

Unlike rocky planets such as Mars and Earth, angrites do not have a lot of silicon dioxide. Because of this, astronomers have ...