A puzzle about Mars has intrigued scientists for decades. The planet’s two hemispheres are strikingly different in structure.
New research reveals ancient ripples on Mars, providing compelling evidence of long-lost lakes that once existed 3.7 billion ...
The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...
The next Mars rovers may traverse the Red Planet with futuristic tires. NASA 's Glenn Research Center released imagery and footage from testing of a novel tire, called a shape memory alloy spring tire ...