Deimos, the smaller and outermost of Mars' two moons, is roughly oval in shape and has a deep depression at its south pole.

A single asteroid impact may explain two of Deimos’s most puzzling features: its huge southern depression and unusually ...

In 1977, NASA’s Viking 2 orbiter pulled off a historic flyby of Deimos, capturing high-resolution images of the moon’s ...

Add Yahoo as a preferred source to see more of our stories on Google. Time lapse images taken from May 2 to 15 show the changing view of crescent Mars from the Psyche spacecraft. - ...

A new study in Acta Astronautica identifies two ultra-fast Earth–Mars–Earth trajectories for the 2031 Mars opposition, including a 56-day outbound trip. The routes were found by using early orbital ...

While Phobos is covered in craters, Deimos appears smooth and untouched. Simulations suggest a catastrophic impact may be ...

A single asteroid impact may explain both Deimos’ huge south-polar depression and the thick blanket of debris covering the ...

A single asteroid strike likely reshaped Mars’ moon Deimos, creating its massive polar crater and a global dust layer.

The gravitational tug of an orbiting asteroid could have triggered a dynamo inside Mars that powered its temporary magnetic field CAN you flip a planet’s magnetic field on and off like a light switch?

CAPE CANAVERAL, Fla. — A NASA spacecraft chasing a rare metal asteroid swings past Mars this week for a gravity boost, snapping thousands of pictures as practice for the main encounter in 2029. Named ...

A NASA spacecraft bound for an unusual metallic asteroid recently made a strategic flyby of Mars — and its cameras captured a rare perspective of the red planet along the way. The Psyche mission, ...