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 ...

Images from the Hera mission show the object in remarkable detail — a small island gliding above the crater-scarred Martian ...

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

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

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

The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

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 ...

Europe's HERA mission has taken a good look at Mars and its moon Deimos on its way to explore the aftermath of the DART ...

"If the moon and a planet are near Castor and Pollux you have an impressive show." From our earthly perspective, the moon and Mars will appear closest to each other at around 8 p.

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

The lumpy, 12.5 kilometer-wide moon is the smaller and less well-known of the two moons of Mars. Exactly how Deimos and the bigger Phobos were formed remains a matter of debate. Some scientists ...