Wednesday marks the 25th anniversary of the International Space Station’s (ISS) physical assembly in orbit. On December 6, 1998, the crew aboard the space shuttle Endeavor attached the US-built Unity ...

NASA and its astronauts are celebrating the 25th anniversary of the International Space Station being in orbit. The federal space agency broadcast a live conversation between the Expedition 70 crew ...

Exactly 25 years ago, the U.S. Unity module linked together with Russia’s Zarya module in Earth orbit, marking the official start of the International Space Station. On Wednesday, NASA shared a video ...

Wednesday marks the 25th anniversary of a momentous event in space exploration - the mating of the first two modules of the International Space Station (ISS), Zarya and Unity. This significant ...

Baikonur awoke to a cool dawn on Nov. 20, 1998, the ubiquitous murk of a dour winter’s sky and the sober tan landscape of the featureless Kazakh steppe hardly conducive to a fine day. Yet on that ...

On November 20 and December 4, 1998, the first sections of the International Space Station (ISS) were launched into orbit, beginning what was then the largest and most complex single engineering ...