The European Space Agency has launched two atomic clocks on a SpaceX rocket to the ISS to test Einstein's theory of ...

ACES will gather ultra-precise data across at least ten observation windows, each lasting about 25 days during the ...

After spending seven months in orbit, the first-ever 3D-printed metal part was created aboard the International Space Station ...

The European Space Agency (ESA) has launched ACES, or the Atomic Clock Ensemble in Space, to the International Space Station ...

CAPE CANAVERAL—A SpaceX Dragon cargo ship lifted off aboard a Falcon 9 rocket early April 21, loaded with extra supplies for ...

The atomic clock payload to be installed on the ISS's Columbus module, aims to push the boundaries of precision timekeeping ...

NASA astronaut Don Pettit flashes a smile as he holds a birthday cake aboard the International Space Station, celebrating his ...

Group Captain Shubhanshu Shukla is set to make history as the first Indian astronaut to travel to the International Space ...