Volcanic ash is creeping across the surface of Mars with startling speed. The European Space Agency’s (ESA’s) Mars Express ...

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

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. The orbiter, one of three zooming around Mars' atmosphere, had been working as expected before it ...

Observations by the Mars Express orbiter reveal rapid changes on the Red Planet’s surface from windblown volcanic ash ...

Could Mars have just stolen Earth’s front-row seat to one of the rarest cosmic events in decades? In early October, NASA’s Mars Reconnaissance Orbiter (MRO), the MAVEN spacecraft, and the Perseverance ...

Previously called the Mars Telecommunications Orbiter, the winner of the fast-track NASA program is widely expected to receive a contract by the end of September under legislation which requires ...

The engineering lesson is simple: Sometimes the best observatory is the one already parked at another planet. When an interstellar comet was in a viewing geometry that kept Earth-based telescopes too ...

NASA has lost contact with a spacecraft that has orbited Mars for more than a decade. Maven, an acronym for Mars Atmosphere and Volatile Evolution, abruptly stopped communicating with ground stations ...

A Mars spacecraft that has been orbiting the red planet for more than a decade has now been AWOL for more than a month. NASA first lost contact with its MAVEN orbiter at the beginning of December.

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).

For nearly a month, NASA has been scrambling to make contact with a spacecraft in orbit around Mars that abruptly fell silent. Subscribe to read this story ad-free Get unlimited access to ad-free ...

After the smooth arrival of ESA's latest Mars orbiter, mission controllers are now preparing it for the ultimate challenge: dipping into the Red Planet's atmosphere to reach its final orbit. A recent ...