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

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

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

While the car-sized spacecraft flew around the Mars system, flight controllers on Earth temporarily lost communication with ...

A mission to survey the results of a deliberate crash between an asteroid and a NASA spacecraft has taken stunning images of ...

ESA's Hera spacecraft inaugurated use of its science instruments to image the smaller of the planet's two moons, Deimos.

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

Hera spacecraft captured an extraordinary near-infrared image of Mars’ moon Deimos during a flyby of the Red Planet. This ...

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 ...

On the way to investigate the scene of a historic asteroid collision, a European spacecraft swung by Mars and captured rare ...

On the way to investigate the scene of a historic asteroid collision, a European spacecraft swung by Mars and captured rare ...

Saturday finds the moon in a waxing gibbous phase. Of all the phases that the moon goes through over 29.5 days, a waxing ...