While many Southwestern Pennsylvania residents were looking skyward Tuesday night to catch a glimpse of the Perseid meteor ...

It took nearly a decade, billions in investment, and a geopolitical rupture to get here, but on Tuesday night the United States finally severed its last operational tie to Russian-made rocket engines ...

Several residents in the Lehigh Valley and throughout Pennsylvania on Tuesday night reported seeing a “spinning light” object ...

SpaceX launched a new batch of Starlink satellites from California and Florida to continue the growth of its broadband ...

What was the mysterious white spiral flying in the night sky as stargazers looked up during the Perseid meteor shower peak ...

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

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

Stargazers on the lookout for meteors were treated to an extra nighttime spectacular on Tuesday night as spirals appeared in the sky along the East Coast.

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 ...

Vulcan launched the Space Force’s USSF-106 mission on Aug. 12 at 8:56 p.m. EDT from Cape Canaveral SFS, Florida, and spacecraft separation occurred approximately 7 hr. after liftoff, the service’s ...