Later this month, an asteroid called 2024 PT5 will be joining Earth's orbit, becoming a mini-moon. The mini-moon will be in ...

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

The asteroid was discovered in August and is set to become a mini-moon, spinning around Earth in a horseshoe shape for about ...

At a distance of 2.7 billion miles (4.3 billion km) from Earth, the ice giant is a mere magnitude ... Finally, this evening, ...

The ring would have gradually fallen to Earth as meteorites, correlating to a spike of impacts seen in the geological record.

This new floating rock is only expected to orbit the Earth once, beginning its trip Sept. 29 before breaking off from its ...

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

Though the mini-moon will only be in Earth’s orbit for about two months, it’ll stay close to the planet for a few months, ...

NASA's Voyager 1 spacecraft took a photo of Earth and the moon. It was the first time both the Earth and the moon were ...

By staring into the hellish landscape of Jupiter's moon Io—the most volcanically active location in the solar system—Cornell ...

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

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