A supply ship arrived at the International Space Station on Thursday after a day's delay due to a premature engine shutdown.

The new jumbo version of Cygnus delivered about 11,000 pounds of cargo to the orbiting lab this morning (Sept. 18).

NASA has officially tracked 6,000 confirmed exoplanets—planets outside our solar system—a milestone that reflects decades of ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.