China’s successful orbital satellite refueling operation marks a historic milestone that the US has not achieved.

The event, not so far confirmed by China, was reported after optical sensor data suggested the satellites "appeared visually ...

The number of satellites orbiting Earth is rising fast, thanks to private companies such as SpaceX. But just how big will these "megaconstellations" become? And what problems might they cause?

China’s Shijian-21 and Shijian-25 satellites, known as SJ-21 and SJ-25 for short, likely docked together in geosynchronous ...

Two Chinese satellites reportedly performed what appears to be the country's first high-altitude orbital refueling, as U.S.

If all Starlink launches are excluded, Falcon 9 is still the leader with 26 percent of launches, 44 percent of satellites launched, and 46 percent of mass to orbit in 2024.

Where does all that space junk go? And what does climate change have to do with it? The answers are on this episode of The Excerpt.

Starlink’s got company — and orbital overcrowding is a disaster waiting to happen Amazon’s Project Kuiper satellite mega constellation is just the beginning.

Once in orbit, SpaceX releases tensioners to passively cast free the Starlink satellites all at once, allowing the stack of more than 20 spacecraft to disperse as they begin their missions.

A powerful rocket sent the first batch of 27 satellites for Amazon's Project Kuiper broadband internet network into low Earth orbit, ...

Satellites serve many purposes while they orbit above the Earth, but as they do so, how fast do they actually move? The answer may surprise you.