The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

The possibility of the asteroid 2024 YR4 impacting our planet might not be ruled out until 2028, raising the prospect we’ll ...

A near-Earth object was likely ejected into space after an impact thousands of years ago. Now it could contribute new ...

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...

For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

A large asteroid could be heading toward Earth within the next decade, and there's a small chance it could strike the planet, according to NASA.

PT5, a near-Earth object discovered last year, has captivated scientists with its potential lunar origins. Likely ejected ...

NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet ...

A chunk of space rock that visited near Earth's orbit last year was widely called a "mini-moon," a nickname that was more ...

For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

The discovery of a new asteroid this month has turned out to be Elon Musk's Tesla Roadster launched by SpaceX in 2018.