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

It is expected to follow a horseshoe-type orbit to become a “mini-moon” of Earth on 29 September only to return to a path ...

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, ...

PT5 is a 10-meter (33-feet) wide space rock that is expected to come as close as 1 million kilometers of Earth in an orbital ...

The bus-size asteroid, which was discovered on August 7 by the NASA-funded Asteroid Terrestrial-impact Last Alert System ...

More than 700 million years ago, the Earth was plunged into a state that geologists call "snowball Earth", when our planet ...

High in the Canadian wilderness, Smithsonian scientists search for ancient minerals that could explain the origins of the ...

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Earth may have had a giant ring of space rocks surrounding it, similar to those around Saturn, which could have led to ...

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

Such transfer of Earth’s atmospheric material might have been ongoing even during its enigmatic Hadean period, according to ...

When approaching Earth, asteroids tend to do one of two things: Most of the time, they miss. Sometimes, they hit, leaving a ...