Experience the thrill of zero gravity aboard the specially modified Boeing 727, which features a large open space in the ...

Fresh from space, NASA's oldest full-time astronaut said Monday that weightlessness made him feel decades younger, with everyday aches and pains vanishing.Don Pettit marked his 70th birthday on April ...

As humans begin to colonize space, it's inevitable that some will suffer a cardiac arrest. Space CPR conducted in weightlessness will be crucial to save their lives -- and researchers say they've now ...