The Hera mission is headed for the Didymos binary asteroid system. NASA's Double Asteroid Redirect Mission (DART) smashed ...

There’s even a special guest star: a moon. The European Space Agency’s Mars Express spacecraft arrived at Mars in 2003. The orbiter is on a long-term mission to study the planet’s atmosphere ...

Data from the Mars Express orbiter has been used to create a visualization of "a vast system of deep and steep valleys that ...

The south pole in particular is apparently a hot spot for subglacial lakes, according to data from the Mars Express spacecraft. Future missions could investigate the claims and provide proof.

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. Here are some of the most baffling.

The water is frozen as ice in a layer measuring over two miles (3.7km) thick, according to new data from the Mars Express spacecraft. If melted, the water would cover the whole of Mars in a layer ...

Happy New Year's on Mars. Martian years are almost twice as long as Earth years. Nov. 12 is the day to celebrate the start of ...

On November 13, 1971, Mariner 9 became the first spacecraft to orbit Mars. At the time, scientists didn't know much about the Red Planet. NASA had several flybys before Mariner 9. Those flybys ...

Since its arrival at Mars in late 2003, the Mars Express orbiter has conducted extensive research, mapping the planet's atmosphere, studying its surface features, and providing unprecedented ...

Europe's Mars Express spacecraft recently revealed a captivating sight on Mars, capturing the collision of massive sand dunes with layers of dusty ice at the planet's north pole—a phenomenon ...