A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.

A "potentially hazardous" Apollo-class asteroid will be making its closest pass by Earth in more than 100 years this week.

The results of Hera's flyby could ultimately tell us whether Deimos is a captured asteroid or made from debris from a giant ...

The 700–1,300 feet-wide space rock deformed rocks more than six miles from the impact site when it hit 600 million years ago.

TN17 will safely pass Earth this time, NASA's warning serves as a reminder of the lurking dangers in space. Scientists and ...

For an hour, HERA flew as close as 5,600 kilometers from the Martian surface, at a speed of 33,480 kilometers an hour. It ...

"This has been a decade-long detective story, with each recorded meteorite fall providing a new clue," said one astronomer.

The Hera probe has swung around Mars, using the planet’s gravitational pull to fling itself toward its asteroid target.

For an hour, HERA flew as close as 5,600 kilometres from the Martian surface, at a speed of 33,480 kilometres an hour. It ...

Like our moon, Deimos is tidally locked to Mars, meaning the same side always faces the planet—the only side visible to ...

Where do meteorites of different types come from? In a review paper in the journal Meteoritics & Planetary Science, ...