Evidence suggests Earth had a ring system 466 million years ago, causing a surge in meteorite impacts and possibly ...

I f astronomers had been walking the Earth 466 million years ago, they may have had something special to see. The moon and ...

A newly discovered doughnut shape in Earth's outer core may reveal elements that help drive the formation of the planet's ...

Researchers have found evidence suggesting that our planet may have once had a ring system around 466 million years ago.

A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...

To reach that surprisingly conclusion, scientists studied the positions of 21 asteroid impact craters during the Ordovician period – the second of six periods in the ...

Some of the most dramatic climate events in history are the Snowball Earth episodes, which occurred hundreds of millions of ...

Jupiter Icy Moons Explorer (JUICE) mission photographed the Earth, moon and Uranus as it heads toward Venus for a gravity assist next year.

Lavas from hotspots - -whether erupting in Hawaii, Samoa or Iceland -- likely originate from a worldwide, uniform reservoir in Earth's mantle, according to an evaluation of volcanic hotspots.

The Earth will gain a second moon this month when a tiny asteroid comes into orbit — but only briefly. The 2024 PT5 is set to ...

Some of the most dramatic climatic events in our planet's history are "Snowball Earth" events that happened hundreds of ...

Research suggests Earth might have once boasted a spectacular ring similar to Saturn's, formed from an asteroid breakup ...