The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of ...

Craters, craters, and yet more craters: this snapshot from ESA's Mars Express is packed full of them, each as fascinating as the last. This view of the Red Planet—taken by Mars Express's High ...

Currently, about 16,000 satellites are orbiting Earth, providing everything from GPS service and weather reports to phone ...

Add Yahoo as a preferred source to see more of our stories on Google. Stunning new images from Europe's Mars Express orbiter reveal a rugged Martian landscape carved by catastrophic floods that once ...

NASA has lost contact with one of its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars orbiter is perilously close to running out of fuel, and the third mission ...

European Space Agency's Mars Express spacecraft captures an image of Mars's south pole that looks like a cappuccino or ...

Water ice on Mars could be a valuable resource for future explorers. ESA's Mars Express mission may have found it at the ...

A team of scientists used data from the European Mars Express orbiter to get a better understanding of the Arsia Mons ...

Add Yahoo as a preferred source to see more of our stories on Google. Mars is famous for its volcanoes, canyons and ancient river valleys, but some of its most active geology happens in slow motion, ...

When the orbit of NASA’s Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft took it behind the Red Planet on December 6th, ground controllers expected a temporary loss of signal (LoS).

A new study of the oddest cloud on Mars, which reappears every year at the Arsia Mons volcano, says that "exotic physics" is ...