Apollo

A monument now stands at Arlington National Cemetery in memory of the Apollo 1 crew, the first astronauts to die in their spacecraft, 55 years after the fire took their lives.

For sale: One small sample of the moon brought back to Earth in 1969 by the Apollo 11 astronauts. Condition: Well-traveled and once digested.

NASA scientists have begun to study 50-year-old samples of the moon's surface, collected during the agency's final moon landing mission, Apollo 17.

Nine Saturn V rockets moved astronauts to the moon between 1969 and 1972, but there were three extras made — and you can still see some of the pieces today, says a retired Boeing engineer.

The last man to have set foot on the moon watched today as Crew-4 blasted off to the International Space Station atop SpaceX's Falcon 9 rocket.

Charlie Duke thought he was on his way to exploring an area of the moon that was different from where astronauts had gone before. He just did not know how different it really was.

The snapshot gave us a new perspective on our home planet.

A minuscule amount of microscopic moon dust sold for half a million dollars after NASA determined that the particles came from the first lunar sample collected by Apollo 11 astronaut Neil Armstrong.

Almost 50 years ago, in the midst of the Cold War, American astronauts flew to space alongside cosmonauts as part of NASA's first attempt to forge a partnership between the U.S. and Russia in space.