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

Regular, alternating layers in Gale Crater may have been deposited as the result of tides raised by a moon at least 18 times ...

Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly ...

CAPE CANAVERAL, Fla. — NASA has lost contact with a spacecraft that has orbited Mars for more than a decade. Maven abruptly ...

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...

NASA has lost contact with a spacecraft that has orbited Mars for more than a decade. Maven abruptly stopped communicating to ...