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 ...

Getting from Earth to space isn’t just about speed—it’s about planning the right trajectory. The Moon, our closest neighbor, ...

D printers will make the tools, structures and habitats space pioneers need to survive in a hostile alien environment.

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

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

Europe's Hera spacecraft flew by Mars this week on its way to catch up with an asteroid and tested out its cameras on the Red ...

A European spacecraft on a journey to study NASA's asteroid crash site did a quick pop-in of Mars on its way, capturing ...

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

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