Vulcan is best known today as the fictional birthplace of the stoic Mr. Spock on "Star Trek," but for more than half a century it was considered a real planet that orbited between Mercury and the Sun.

A planet thought to be similar to Star Trek character Spock’s fictional home planet Vulcan is an astronomical illusion caused by the pulses and jitters of a star, a new study has found.

Vulcans' unique physiology means their blood appears green instead of red, like humans in the Star Trek franchise.

In 1966 a television show called Star Trek made its debut, introducing fans of the show to a character named Spock, who hailed from a planet named Vulcan, which orbited a star called 40 Eridani A.

"Vulcan certification adds launch capacity, resiliency and flexibility needed by our nation's most critical space-based systems." The U.S. Space Force has certified United Launch Alliance's (ULA ...

ULA's Vulcan rocket has been certified by the US Space Force for national security missions after completing a rigorous certification process. The certification process included two successful ...