A SpaceX crew capsule has arrived at the International Space Station, delivering the replacements for NASA's two ...

As soon as the U.S. decided to go ahead with Project Mercury, the first missile-borne man-in-space capsule (TIME, Jan. 26), the Pentagon’s IBM machines began sorting through Air Force and Navy ...

A SpaceX crew capsule arrived at the International Space Station on Sunday, delivering the replacements for NASA’s two stuck astronauts.

Perched on its nose was a Mercury space capsule, designed to carry a man into orbit and bring him back alive. The capsule was standard size, but its interior had been tailored for a chimp and ...

It will be the first time astronauts ride an Atlas since NASA’s Project Mercury ... a longtime space contractor, more than $4 billion to develop the capsule, while SpaceX got $2.6 billion.

NASA aims to travel to the moon again—and beyond. Here’s a look at the 21st-century race to send humans into space. Private spaceflight is not a new concept. In the United States, commercial ...

On January 31, 1961, a chimpanzee named Ham became the first great ape to travel to space. His mission was crucial in proving ...

It was mere decades ago that the idea of space tourism — not just for astronauts and scientific research but for recreation — was the stuff of science fiction. Today, space travel for the ...

Concerns over a critical hydraulic system arose less than four hours before the Falcon rocket’s planned lift-off from Florida.