B—but it can rapidly change orbits, deploy payloads, or conduct on-orbit servicing, giving it clear intelligence or counter-space value.

When you back off from Earth at the Stuff in Space site, satellites look like a swarm of gnats. Many circle the Earth in LEO or low-Earth orbit. Many others orbit in some 22,200 miles (35,750 km) from ...

The interstellar object 3I/ATLAS is drawing heightened scrutiny from astronomers after new measurements indicated a significant velocity shift following its perihelion passage. The development has ...

HELSINKI — China appears set to launch the first satellites for a long-expected national low Earth orbit megaconstellation after rollout of a Long March 5B rocket at Wenchang spaceport. Images posted ...

Picture in your mind a big parking lot with 131 million cars on it. Now imagine that they are spread out over the entire Earth’s inhabited areas. Although still a large number, it is absolutely ...

"CMS-03, weighing about 4400kg, will be the heaviest communication satellite to be launched to Geosynchronous Transfer Orbit (GTO) from Indian soil. The previous mission of LVM3 launched the ...