On April 11, 1970, the Apollo 13 spacecraft was launched from Cape Canaveral, Fla., on the third U.S. moon-landing mission.

A proposed mission seeks to retrieve Vanguard-1 and display it as an ancient relic of the space age.

"We discovered a galaxy which formed 15 billion times the mass of the sun in stars and then stopped forming stars before the ...

Jonny Kim earned his trident and stethoscope before launching with Sergey Ryzhikov and Alexey Zubritsky on Tuesday (April 8).

Here is how death in space would be handled today: If someone died on a low-Earth-orbit mission – such as aboard the International Space Station – the crew could return the body to Earth in a capsule ...