NASA

NASA is celebrating the 50th anniversary of Alan Shepard becoming the first American into space.

An orbiting satellite, conducting a joint experiment of NASA and Stanford University, has shown that the Earth's gravity warps the space around it and that it drags spacetime itself along as it spins -- proving that a fundamental part of Relativity theory is correct.

NASA, European Space Agency test out some Mars space gear in Antarctica and Spain respectively.

Endeavour's launch continues to get pushed back - this NASA says it won't happen before May 10.

The launch delay will cost NASA at least $500,000.

The final launch of the space shuttle Endeavor hit yet another snag as engineers battle to resolve an electrical problem that scuttled Friday's launch attempt.

NASA's satellites caught the devastating tornadoes that ripped through the south.

NASA calls off the launch for the space shuttle Endeavour due to a problem with Auxiliary Power Unit 1 heaters.

Check out our continued coverage of the final launch of the space shuttle Endeavour.

The youngest of the five space shuttles, Endeavour, is headed to space one last time. Here's a look back at its accomplishments.

As the space shuttle Endeavour is set to launch for the final time, here is a look back at some of its 19-year history.

NASA awards HP a contract to create desktop services and related devices for the space agency’s secure collaboration initiative.

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.