A ring of asteroid debris could have orbited Earth for tens of millions of years, and perhaps even have altered the planet's ...

Exoplanets in binary star systems usually orbit both stars, but astronomers have now spotted three planets orbiting one or ...

Yet a new study reveals that for the next two months, 2024 PT5 will join our Moon in orbit around our planet, which means ...

Earth is set to become a two-moon planet for the next couple of months as a 10-metre-wide asteroid - officially known as ...

2024 PT5 will be a temporary visitor, arriving in September and flying off again in November.

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

The mini-moon, an asteroid called 2024 PT5, was spotted by the Asteroid Terrestrial-Impact Last Alert System (ATLAS) on Aug.

Earth is getting a temporary second "mini moon," a.k.a. the 2024 PT5 asteroid. Here's how you can see it and if it will ...

The Earth has pulled in moons of this type before but none have ever stuck around as long as the moon we know.

A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth’s ...

Lavas from hotspots—whether erupting in Hawaii, Samoa or Iceland—likely originate from a worldwide, uniform reservoir in ...

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 ...