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

The planet received, in just 64 hours, the same amount of radiation it typically absorbs over 200 days, overwhelming its ...

Mars bears the mark of a turbulent geological history, shaped by violent impacts and intense volcanic activity. The recently ...

A father-daughter team of citizen scientists have decoded a strange signal that emerged from Mars and found the basic ...

NASA has not reestablished contact with its MAVEN Mars orbiter since a planned communications blackout ended Jan. 16.

For decades, nuclear propulsion has been a fixture of aerospace engineering proposals and government studies, always promising, never quite leaving the laboratory. That changes in 2028.

The agency will increase robotic missions to the Moon and launch a nuclear spacecraft called Space Reactor 1 Freedom.