The spacecraft is used to explore how Mars' upper atmosphere and ionosphere interact with the Sun and the solar wind NASA announced that they have lost contact with the Mars Atmosphere and Volatile ...

From orbit high above Mars, a familiar shape has appeared in an utterly alien landscape: a vast feature that looks uncannily like a butterfly pressed into the planet’s dusty crust. Captured by NASA’s ...

The European Space Agency’s Mars Express orbiter captured this view of Mars’ south polar ice cap Feb. 25, 2015. Three years later, the spacecraft detected a signal from the area to the right of the ...

This unusual crater on Mars resembles a butterfly, but its shape tells a story of a shallow impact, melted ice, and ancient ...

Interstellar comet 3I/ATLAS made its closest pass to Mars on Oct. 3, and Red Planet spacecraft were ready for it. The Nasa-funded ATLAS survey telescope in Chile first observed the comet on July 1, ...

LONDON -- It turns out the Beagle has landed after all -- but it never called home. The spacecraft Beagle-2 went missing on Christmas Day 2003, when it was supposed to land on Mars and start ...

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

For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of ...