It's been more than six decades since Alan Shepard launched on his famous suborbital flight. What would think of the U.S. space program today?

From cosmic radiation to crushing isolation, the journey to Mars presents a web of interlinked dangers. NASA’s Human Research ...

Cooks and cleaners as well as maintenance and medical staff joined members of the Vatican's clergy on Monday (May 5) to take an oath of secrecy ahead of the upcoming papal conclave. Could cells grow ...

The excited little girl who first touched a plane two decades ago is now flying high as the face of India’s fast-modernising ...