While it is tricky to predict how many satellites will be launched and when, researchers have estimated a maximum number of spacecraft that can coexist within low-Earth orbit (LEO) — the region ...

The payload Russia's military chose to launch on the Angara A5 is unusual. The rocket deployed its primary passenger, Kosmos ...

This is a big, big day for us. Today is Day One of the SES-Intelsat merger. And we’re very excited about that," SES CEO Adel ...

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

How many Starlink satellites are in orbit. As of May 2025, there are over 7,600 satellites in Starlink’s constellation. The number is constantly changing as Starlink launches more and more.

ULA launched two prototype Kuiper satellites into orbit for months of testing in October 2023, but this mission — known as Kuiper Atlas 1, or KA-01 — marked Amazon’s first full-scale launch ...

The scientists originally assumed that the signal came from a distant object in the cosmos, but further analysis revealed that the long-dead Relay-2 was in fact the culprit behind the mysterious pulse ...

Starlink already accounts for 40% of all the satellites ever launched, and each one releases harmful aluminum oxides when deorbited.

With 27 satellites now in orbit around the Earth, Amazon joins a growing number of companies working to put more than 1,000 satellites each into space to create their own mega constellation.

Virgin Orbit's LauncherOne: Virgin Orbit’s LauncherOne is a unique air-launch system that deploys satellites into orbit from a modified Boeing 747 aircraft.