Mars

Darkness and heat feed on each other in new simulations that predict a 20-year warming trend on the Red Planet

Shifting sands mimic signs of Martian water

The European Space Agency's Rosetta spacecraft snapped some spectacular photos as it swung by Mars this weekend.

The Mars Express's High Resolution Stereo Camera has mapped 35 percent of Mars's surface, and created the first detailed topography map

NASA rewrites the book on Martian landings

Water may be trickling down Martian craters as you read this

Drilling in Greenland to prepare for Mars

Spring in the southern hemisphere of Mars brings with it mystery. Every year, without fail, strange fan-like markings and dark spots appear on the ice cap at the Martian South Pole and disappear as the red planet's summer wanes.

New research indicates that microorganisms could have survived a journey from Mars to Earth

Small, cool stars may be hot spots for life

At last, some form of intelligence is altering the dusty face of our neighboring world