‘Four. . . three . . . two . . . one. We have ignition . . . and lift-off.” For more than half a century, that countdown sequence has signaled the start of another daring plunge into the unknown– what ...

Leaving the International Space Station behind for the last time, the shuttle Atlantis' crew undocks and gears up for re-entry and landing Thursday to close out NASA's 135th and final shuttle flight.

KENNEDY SPACE CENTER, Fla.--In the dwindling hours of the shuttle program's last visit to the International Space Station, the Atlantis astronauts detached a bus-size cargo module from the space ...

The last launch of Space Shuttle Atlantis resonates with millions of Americans, but few have "pride of involvement" as the program winds down, like Salvador Lucio of Ventura County. "Amazing to see it ...

Thisstory was updated at 12:47 p.m. ET. Thespace shuttle Atlantis has begun the trip home from orbit. The shuttle's sixastronauts bid farewell to the International Space Station early Sunday after ...

Following a poignant farewell ceremony by the crews of Atlantis and Expedition 28, hatches between the International Space Station and a space shuttle were closed for the final time at 10:28 a.m. EDT.

Astronauts aboard Atlantis and the international space station closed the hatches between their spacecraft on Sunday with an emotional farewell exchange that set the stage for the shuttle's departure.