The space shuttle Atlantis returned back to Cape Canaveral in Florida this morning after its final scheduled mission.
Amateur astronomers say they have found the X-37B in an orbit that takes it over Afghanistan and Iraq. A former Air Force missile officer offers up four possible uses for the space plane – and weapon is least likely.
The Atlantis crew brought along a photo of Isaac Newton, as well as a chip of wood from the famous apple tree that inspired his law of gravity, which they let float freely.
SpaceX's Falcon 9 rocket could eventually be modified to carry people to space.
Two of the Shuttle Atlantis crew are on a spacewalk, working outside the International Space Station this morning to finish a battery upgrade service call on the station's solar arrays.
The Falcon 9 rocket, built by Space Exploration Technologies, could make its first test as soon as May 28. It could be modified to carry people into orbit, company officials said.
The space shuttle Atlantis with Earth as a backdrop is seen prior to docking with the International Space Station (ISS) in this handout photo provided by NASA and taken on May 16.
Renowned CBS News anchor and reporter Walter Cronkite (r.) is seen in a March 1981 file photo with President Ronald Reagan. Dubbed 'the most trusted man in America,' Cronkite broke stories such as President John F. Kennedy's and Martin Luther King Jr.'s assassinations and the landing on the moon. Cronkite died in his home in July 2009.
A car drives through ash from Iceland's Eyjafjallajokull volcano on Thursday. Europe has been dogged for weeks by repeated shutdowns of air traffic since an erupting volcano under the Eyjafjallajokull glacier in Iceland started spewing ash in April.
After this flight of Space Shuttle Atlantis there are only two space shuttle missions left before the orbiters are retired.