NASA

NASA officials are optimistic weather won't play a factor into the Endeavour launch tomorrow.

A trio of tiny satellites and an ancient artifact are among the items that will travel to space with the final mission of the space shuttle Endeavour.

People will be able to submit questions to the Endeavour via YouTube, which will be answered live from space.

In the battle of April 29th, its the final launch of Endeavour vs. the Royal Wedding. Both events will be historic and emotional, and hope to capture a wide audience.

Rep. Gabrielle Giffords will attend the final launch of the space shuttle Endeavour, of which her husband is commander.

Spacex chief Elon Musk is talking a big game when it comes to the future of space travel.

Earth Day is the annual celebration of the environment and a time to assess the work still needed to protect the natural gifts of our planet. It affirms that environmental awareness is part of our consciousness and that the idea of protecting the environment has moved into the mainstream.

Researchers at Carnegie Mellon use HTML5 based browser technology to create a hyperactive time-lapse high-resolution video and image sequencing feature.

NASA has released breathtaking photos of the earth in honor of Earth Day, here are ten of the best.

Joining in the annual celebration of Earth Day 2011 and helping in the better understanding of the planet is NASA with its continuous stream of iconic images from 13 of its Earth-orbiting satellites.

NASA's Mars Reconnaissance Orbiter has found a giant buried deposit of dry ice, which could be evidence that Mars once had a thicker atmosphere and was able to have more water on its surface.

To celebrate Hubble Telescope's astronomers at the Space Telescope Science Institute in Baltimore pointed Hubble's eye at a pair of interacting galaxies called Arp 273.

Endeavour passes final inspection and is ready for the April 29 launch.

NASA is working to ensure the next generation of space craft is American-made.

NASA has awarded projects worth millions to four commercial space transportation companies as part of its Commercial Crew Development (CCDev2) program.

NASA Saturday released some spectacular never-seen-before space images from its infrared explorer. Here are few more from the WISE gallery.

NASA has released spectacular never-seen-before space images captured by its Wide-field Infrared Survey Explorer, or WISE.

A new bill in Congress would force NASA to move one of the retired space shuttles to Houston; instead of New York City as intended.

NASA scientists watching the sun are bracing for a big jump in solar activity as the quietest period in decades comes to an end.

Politicians from Texas, Ohio are angry they were passed over by NASA for the retiring space shuttle's final landing spot.

Space shuttles will head to Washington, Los Angeles, New York and Orlando.