SpaceX plans to launch the latest batch if its Starlink satellites no earlier than 6:47 a.m. Aug. 14 from Launch Complex 40 ...

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 ...

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

The Vulcan, the United Launch Alliance's newer rocket, got off the ground from Florida on its first national security mission ...

The swirl in the sky isn't a common sight, but it's happening more and more as companies like SpaceX launch more rockets into ...

The light people were seeing was from the Vulcan rocket launched by the United Launch Alliance. It took off from Cape ...

Visible across the Northeast, the bright, pill-shaped light was the exhaust plume from the United Launch Alliance's Vulcan ...

A mysterious ball of light was seen by people up and down the East Coast on Tuesday night. Cindy Zonneveld, of Ramsey, N.J., ...

Starlink satellites launch weekly from Florida, but what are they exactly? Here's a look at SpaceX's Starlink satellites.

The United Launch Alliance (ULA) launched its first U.S. national security launch aboard its new Vulcan rocket on Tuesday night.

ULA's Vulcan is replacing the company's workhorse Atlas 5 rocket and the already-retired Delta 4 family of launchers.