
Dim Martian Surface May Fuel Global Warming
Darkness and heat feed on each other in new simulations that predict a 20-year warming trend on the Red Planet

Dim Martian Surface May Fuel Global Warming
Darkness and heat feed on each other in new simulations that predict a 20-year warming trend on the Red Planet

Water Flows on Mars? Not So Fast
Shifting sands mimic signs of Martian water


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

Mars Maps Good Enough for Hiking--If There Was Anyone There to Hike
The Mars Express's High Resolution Stereo Camera has mapped 35 percent of Mars's surface, and created the first detailed topography map

Martian Rope Trick
NASA rewrites the book on Martian landings

Martian Gullies Show Traces of Flowing Water within the Past Decade
Water may be trickling down Martian craters as you read this

Martian Field Test
Drilling in Greenland to prepare for Mars

Martian Soils Point to Ancient Acid Ocean--And a Dearth of Life

Martian Markings
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.

Did Life Come from Another World?
New research indicates that microorganisms could have survived a journey from Mars to Earth

Red Star Rising
Small, cool stars may be hot spots for life

Making Tracks on Mars
At last, some form of intelligence is altering the dusty face of our neighboring world