The European Space Agency's new documentary short tackles the question of whether space debris has reached crisis level.

satellite phones communicate directly with satellites orbiting approximately 500 miles above the Earth. This ensures reliable connectivity even in the most isolated and challenging locations.

China is practicing “dogfighting” satellites as part of its expanding capabilities in space, according to the United States Space Force, which warned that Washington’s key rivals are closing ...

An artist’s rendering of Barnard’s Star, as seen from one of the newly discovered exoplanets orbiting it International Gemini Observatory / NOIRLab / NSF / AURA / P. Marenfeld under CC BY 4.0 ...

BOULDER, Colo. — Satellite operators need better space weather models to maximize the life of their satellites and to avoid collisions in low Earth orbit. The growth in the population of ...

The first quantum demonstration spanning 12,800km (7,954 miles) between Beijing and South Africa was made possible with the help of China’s quantum communication satellites, Yin said.

A proposed Google-backed constellation of satellites is being developed to spot small blazes before they can grow out of control. A proposed Google-backed constellation of satellites is being ...

A combination of the world's most powerful telescopes detected the planets. Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from ...

Each week, SpaceX launches satellites to build out its ever-growing constellation of Starlink satellites. That provides broadband internet service to users on the ground. But Starlink satellites ...

Every three nights, it will produce a map of the entire southern sky filled with stars, galaxies, asteroids and supernovae — and swarms of bright satellites ruining some of the view. Astronomers ...

"High Five" mission lifted off tonight (March 17) at 9:31 p.m. ET. Rocket Lab launched the final five satellites for the French company Kinéis' "Internet of Things" constellation tonight (March 17).

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