Watch as the International Space Station takes shape in this time-lapsed NASA animation of its decade-long assembly, which ...

The ISS has been operational for well over two decades, but its days are numbered. Here's what the plan for human habitation ...

NASA has discovered a mysterious interstellar comet entering our solar system. Learn what this strange visitor is and how scientists are tracking it now.

The International Space Station (ISS) is one of humanity's greatest engineering feats, a symbol of global collaboration and ...

A NASA astronaut captured a fascinating weather phenomenon that still has scientists scratching their heads. Nichole Ayers is ...