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

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

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

The jokes write themselves. The post NASA’s James Webb Discovers That 3I/ATLAS Let One Rip as It Passed Through Solar System ...

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

The solar system’s history is steeped in mystery, with suggestions of ancient chaos possibly casting out enormous planets.

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.

Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published ...

A village in Kent is home to what is thought to be the world's largest scale model of the solar system and beyond, created to ...

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