Roger Boisjoly was one of the engineers that vehemently opposed the launch of the space shuttle Challenger because he was firmly convinced its o-rings would not hold up under the very cold conditions on the morning of January 28, 1986. He and other engineers were correct. NASA was wrong -- dead wrong.

In 2011, NASA began to develop a heavy-lift rocket for manned exploration, discovered the first Earth-sized exoplanet, assisted with commercial spaceflight, and made other major accomplishments and discoveries to help all of us here on Earth. You can vote for your favorite 2011 story by NASA.

Former NASA astronauts Neil Armstrong and Gene Cernan told the members of the House of Representatives Science, Space, and Technology Committee what they thought about the U.S. direction in manned space exploration. And, it wasn’t pretty.

The last flight of the U.S. space shuttle program will land at the Kennedy Space Center on Thursday, July 21, 2011, ending the thirty-year manned space program of NASA.

Everyone around the world can come together for a “virtual” picnic provided by NASA in honor of the last space shuttle mission, the STS-135 flight with the four-person crew of the space shuttle Atlantis.

The final NASA space shuttle mission is STS-135. GoSoftWorks is providing a free app so space enthusiasts can view when the space shuttle Atlantis goes overhead in their local skies, and where it is located anytime in its orbit.

On the eve of ending one chapter of U.S. manned space exploration and the beginning of the next chapter, NASA Administrator Charles Bolden talked about the U.S. aeronautics and space agency’s future.

The U.S. space agency NASA has officially set the launch date for the final space shuttle mission, STS-135, by the space shuttle Atlantis: The end of an era, but hopefully also the start of a new one.

Announced on June 21, 2011, Mark Kelly, commander of STS-134 that flew in May 2011, is retiring from NASA.

NASA just released a photograph taken by a crew member of a Russian Soyuz spacecraft as it backed away from the International Space Station while the space shuttle Endeavour was docked to it.