The Latest Breaking News from United Launch Alliance

Vulcan, United Launch Alliance's new heavy-lift rocket, was not the result of being exposed to gamma rays or the bite of a radioactive spider, but it does have an origin story worthy of a comic book.

The liftoff of the last-ever Delta rocket today (April 9) brought with it a change in the way the U.S. sends satellites, interplanetary probes and spacecraft into Earth orbit.

ULA scrubbed the last planned liftoff of its Delta Heavy IV rocket on March 28 late in the countdown clock. The mission does not yet have a new launch date.

ULA plans to launch its final Delta IV Heavy rocket on April 9 at 12:53 p.m. EDT (1653 GMT). Here's how to watch live.

The United States Department of Defense (DoD) wants to declassify more space programs in order to boost the nation's military edge in space.

The mission was to be the first time an American company sent a spacecraft to the moon — and the first time the U.S. returned to the lunar surface in more than 50 years.

Astrobotic's Peregrine Lander has set the stage for a new era of commercial missions to the moon in the coming years.

Astrobotic company says goal is now to get US spacecraft as far as possible before it loses power

Astrobotic Technology's Peregrine moon lander has successfully launched into space on a brand-new rocket and will attempt to touch down on the lunar surface in February. But the lander's payload includes human remains, which leaders of the Navajo Nation claim is "tantamount to desecration."

Fate of mission in the balance as private companies seek to put first US spacecraft on the moon in over half a century.

The mission, called Cert-1, also has on board the cremated remains of several people associated with the original Star Trek series — including creator Gene Roddenberry