Orbital transfer vehicles launch atop rockets, carrying other spacecraft that they deliver to specific, often hard-to-reach, ...

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

The ghostly light, which was triggered by a rocket reentry, sailed across the night sky as skywatchers across the U.S. looked ...

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 ...

Italy's Agenzia Spaziale Italiana (ASI) became the first client who's signed on to send scientific experiments aboard ...