Mars rock found in Sahara Desert contains Mars water
A 2.1 billion-year-old Martian rock offers scientists clues to to a period in the planet's history when its climate finally changed.
Win a trip to the 2014 Daytona 500
FREE Weather App for iPad!
© 2013 Cox Media Group. By using this website,
you accept the terms of our Visitor Agreement and Privacy Policy, and understand your options regarding Ad Choices
.
Portions of Content Provided by Rovi
Corporation. © 2013 Rovi Corporation
You're Almost Done!
Select a display name and password
{* #socialRegistrationForm *} {* socialRegistration_displayName *} {* socialRegistration_emailAddress *} {* traditionalRegistration_password *} {* traditionalRegistration_passwordConfirm *}Tell us about yourself
{* registration_firstName *} {* registration_lastName *} {* registration_postalZip *} {* registration_birthday *} {* registration_gender *} {* agreeToTerms *}