After Challenger reshaped NASA’s risk tolerance, Shuttle-C emerged as a bold plan to replace the orbiter with an uncrewed cargo carrier, using the existing shuttle stack to loft massive payloads for ...

The Space Shuttle-derived Heavy Lift Vehicle is the merely the latest concept that uses the Shuttle external tank and solid rocket boosters to orbit robotic spacecraft or cargo with a side-mounted ...

A concept almost as old as the Space Shuttle itself is being considered as a replacement for NASA's Constellation programme return-to-the-Moon Ares rockets. Above: Artist's impression of a Space ...

A tribute to NASA's fallen space heroes is now on display for all to see, including some items for the first time ever since the Challenger and Columbia disasters. It's been nearly 30 years after ...

NASA's space shuttles are retiring this year, but America has no spaceship to replace them, leaving many to wonder: Why not? After the wheels of the space shuttle roll to a stop for the final time, ...

Ditch the space shuttle orbiters. Stretch their rocket boosters. Add more main engines. Put a capsule on top. What do you have? Franken-ship — the quickest route to a new rocket for NASA. Briefing ...

Tom Couch, left, of Chantilly, Va., and Carlos Rodriguez of Dumfries, Va., wait outside the Smithsonian Air and Space Museum Udvar-Hazy Center on Tuesday, April 17, 2012 to see the space shuttle ...