NASA

The NASA Extreme Environment Mission Operations project (NEEMO) sends groups of NASA employees and contractors to live in Aquarius underwater laboratory for up to three weeks for studying human survival in preparation for future space exploration.

Senator Gabrielle Giffords will be in attendance when the Endeavour launches for the final time into space.

NASA is in countdown mode as the crew prepares for Monday's launch.

NASA technicians are preparing space shuttle Endeavour for its upcoming launch attempt on Monday, May 16 from Kennedy Space Center's Launch Pad 39A in Florida. Shuttle Weather Officer Kathy Winters has forecasted a 70 percent chance of having favorable weather for Endeavour's liftoff scheduled for 8:56 am Monday.

NASA scientists discover new information indicating Jupiter's moon Io has a volcanic sub-surface.

NASA uses satellite cameras to take images of the Mississippi River floods that have ravaged Tennessee and the southeast.

The Crab Nebula supernova remnant unleashed a surprisingly enormous blast of gamma rays, the highest-energy light in the universe. The superflare was detected by NASA's Fermi Gamma-ray Space Telescope on April 12 and lasted six days.

Astronomers were shocked when the dusty remains of an exploded star, the Crab Nebula, unleashed a surprisingly blast of gamma rays, the highest-energy light in the Universe.

Technicians at NASA Kennedy Space Center's Launch Pad 39A are preparing space shuttle Endeavour for its upcoming launch attempt on Monday, May 16. Teams have completed all retesting of the aft load control assembly-2 (ALCA-2) and will install the aft compartment flight doors on Thursday, said NASA.

NASA captures images of Vesta, a large asteroid in the asteroid belt between Mars and Jupiter.

Remarks by the President on Comprehensive Immigration Reform in El Paso, Texas

President Barack Obama‘s speech on immigration in El Paso, Texas on May 10, 2011.

The final launch of the space shuttle Endeavor has settled to take place next Monday after engineers battled to resolve an electrical problem that plagued the original launch dates.

After a month of delays, Endeavour will launch into space for the final time in Mid-May says NASA.

The final launch of the space shuttle Endeavor hit yet another snag , forcing eager scientists to wait up to another week before their experiments hitch a ride to space.

The final launch of the space shuttle Endeavour hit yet another snag as engineers battle to resolve an electrical problem that continues to delay the mission.

The space shuttle is now delayed until at least May 16.

A pictorial of Alan Shepard, the first American in space as NASA celebrates the 50th anniversary of his famous trip.

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.