From Sputnik's lonely orbit to today's crowded skies, satellites shape our world in many ways. But how many are up there, and which country tops the list?

A SpaceX Falcon 9 rocket lit up the dusk sky over southern California on Sunday (Sept. 28) as it carried a new stack of 28 ...

A SpaceX rocket lifted off Wednesday from the Kennedy Space Center in Cape Canaveral, carrying NASA's Interstellar Mapping ...

A cluster of space weather satellites has blasted off to cast fresh eyes on solar storms. The three satellites belonging to ...

The three satellites look to measure mysteries of space weather while also acting as a warning system for its dangerous effects.

GSSAP satellites are tasked with “neighborhood watch” surveillance in geosynchronous orbit, tracking objects and threats, but because they cannot maneuver freely or frequently without using up their ...

In other words, Italy doesn’t view Starlink as an alternative to IRIS² but rather as a temporary integrative solution until ...

A SpaceX Falcon 9 rocket loaded with more than two dozen Starlink satellites launched into space Thursday evening from California's Vandenberg Space Force Base.

SpaceX launched two dozen more of its Starlink internet satellites to orbit this morning. A Falcon 9 rocket carrying 24 ...

U.S. and Chinese military and space operations have often been captured in satellite imagery in recent years, including ...

A coalition of scientists and historians are floating a long-shot plan to retrieve orbiting relics—raising questions about ...