Mars, Earth
Digest more
AskThis on MSN1d
How Different Are Mars & Earth?Compare Mars and Earth in size, atmosphere, gravity, and potential for life. Discover their differences and shared traits. Explore the mysteries of the Red Planet!
21h
LAist on MSNThe first close-up images of Mars still elicit wonder, 60 years after they were capturedMariner 4, built by JPL in Pasadena, took the images on July 14, 1965. One of the mission's leaders reflects on decades of studying the Red Planet.
A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.
New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it may have been on an inevitable path to being a dead world despite being so similar to Earth.