New navigation satellites in low-Earth orbit could provide 100 times stronger signal strength compared to GPS and other ...

A new analysis of 523 Starlink satellite reentries between 2020 and 2024 has tied faster-than-expected orbital decay directly ...

An image simulating the contamination from satellite trails in observations by ARRAKIHS, a European Space Agency telescope planned to launch in 2030 NASA / Borlaff et al., Nature, 2025 under CC ...

At least four Russian military satellites changed their orbits to match that of a Finnish-American radar surveillance satellite in the last week, raising questions about Russia’s intentions amid an ...

With more and more internet satellites launching every year, scientists are growing increasingly concerned about the rising risk of collisions. The CRASH Clock is a new predictor of how much time ...

Two Chinese satellites have completed what could be a first for in-space rendezvous and refueling efforts. They came together in a geosynchronous orbit and have since maintained a steady orbit ...

Satellites and spacecraft in the vast region between Earth and the moon and just beyond—called cislunar space—are crucial for space exploration, scientific advancement and national security. But ...

Imagine a piece of space debris the size of a hockey puck slams into a Starlink satellite at about 10 kilometres per second. The kinetic energy is equivalent to two kilograms of TNT, or a fully-loaded ...

Two Chinese satellites have completed what could be a first for in-space rendezvous and refueling efforts. They came together in a geosynchronous orbit and have since maintained a steady orbit ...