Why Mars?

Mission Spotlight

NASA’s Mars Science Laboratory (MSL) mission launched from Cape Canaveral Air Force Station, Florida Nov. 26, 2011 and captivated the world with its dramatic Red Planet arrival Aug. 6 2012. Learn More ►

Recent News

Follow Curiosity Rover on Twitter

LIVE NOW! Talk to mission experts working on @NASA's next Mars rover #JourneytoMars

Right Round: Take a #360video tour of Mars' Namib Dune in 4K #JourneytoMars

See All Curiosity Rover Tweets ►
See All News ►

Learn More About Mars

View Videos See INTERACTIVE FEATURES View Photos

Did You Know?

How big is Mars relative to our home planet?


½ Diameter of Earth. Though Mars is 1/2 the diameter of Earth, it is estimated to have about the same land area. Today a cold, desert world, Mars may have experienced flood events over 3.5 billion years ago. Current missions are investigating climatic shifts on the Red Planet

Get Updates

Privacy Policy: Boeing may use the information you provide to send you future communications about Boeing and issues that may be of interest to you. For further information, please review Boeing's Privacy Policy.