The White House plan to kill the cutting-edge Orion spacecraft, shown here, and the Space Launch System super-rocket could halt NASA's ability to land astronauts on the Moon in the late 2020s, even as ...

Not surprisingly, Congress is pushing back against the Trump administration’s proposal to cancel the Space Launch System, the behemoth rocket NASA has developed to propel astronauts back to the Moon.

There are myriad questions about how NASA’s budget process will play out in the coming weeks, with the start of the new fiscal year on October 1 looming. For example, the Trump administration may seek ...