Space.com

What's Hot This Week NASA Delays Launch of Huge Mars Rover by 1 Day SPACE.com Staff The Mars Science Laboratory rover Curiosity will now launch Saturday, Nov. 26. Astronauts Usher in New NYC Museum Space Show by Clara Moskowitz, SPACE.com Senior Writer The exhibition showcases the past, present and future of space exploration. Sponsored by: Gallery: NYC Museum's New Space Show Moon, Mars and Bright Star Gather Early Saturday J-2X Rocket Engine: Old Concept, New Application How The Biggest Launcher Since Saturn V Will Get To Pad 39B Best Space Photos of the Week Nov. 19, 2011