The lights may be starting to go out for NASA’s Space Launch System program. On Wednesday, one of the Republican space policy leaders most consistently opposed to commercial heavy lift rockets over ...

"The report of my death was an exaggeration." -- Mark Twain First published more than 125 years ago, the great author's quip about his rumored demise applies well to the situation today with NASA's ...

NASA and Lockheed Martin, the primary contractor for the Orion spacecraft, are now exploring the possibility of launching Orion on rockets other than the Space Launch System (SLS). This consideration ...

The NASA Space Launch System with the Orion spacecraft at Cape Canaveral. (Photo by Joel Kowsky/NASA) Some concepts are easy to visualize, like the Space Launch System rocket — with its signature ...

First published more than 125 years ago, the great author's quip about his rumored demise applies well to the situation today with NASA's Space Launch System (SLS), a 322-foot tall rocket designed to ...

The SLS rocket costs NASA $3 billion a year even when it doesn't launch, and more than that when it does. The Trump administration is looking to cut government spending, and SLS-builder Boeing fears ...