On Wednesday, President Donald Trump issued an executive order seeking to loosen regulations on the commercial space sector.

Theories suggest the display came from either the European Space Agency's Ariane 6 rocket or the United Launch Alliance's ...

United Launch Alliance punched out its first Vulcan Centaur launch of the year Tuesday night, and its first ever for the ...

Pennsylvania residents witness a stunning celestial event: swirling lights in the sky. Discover what caused this mesmerizing ...

ULA Vulcan Launch completes its first National Security Space Launch mission, taking the reins from the Delta IV Heavy for ...

In the near-term, ULA will switch back to launching its soon-to-retire Atlas V rocket, the Vulcan rocket's predecessor. The ...

As it turns out, the cause of the strange light was a spacecraft, but not one piloted by little green men. There were two rocket launches last night that could have caused the anomaly, one launched ...

A successful rocket launch this week could mean big things for two large defense companies that co-own the space company.

The Pentagon has launched its first experimental navigation satellite in nearly five decades, aiming to test out a new ...

What was the mysterious white spiral flying in the night sky as stargazers looked up during the Perseid meteor shower peak and Vulcan rocket launch?