When a Russian satellite shattered in orbit, the fragments did not simply drift away into the void. They spread into busy ...

As the threat of falling spacecraft increases, using earthquake sensors to detect the effects of their sonic booms could ...

Falling satellites and large orbital debris create massive sonic booms and scientists are using them to track dangerous space junk.

Space debris—the thousands of pieces of human-made objects abandoned in Earth's orbit—pose a risk to humans when they fall to ...

The DARPA program aims to improve the ability to "track potential threats and objects of interest originating from or transiting cislunar space." When you purchase through links on our site, we may ...

U.S. Space Command’s Global Sentinel ‘25 Capstone event at Vandenberg Space Force Base, California, is a security cooperation effort to strengthen and grow international partnerships. Credit: U.S.

In astronomy, larger distances are both a blessing and a curse. They can cause issues like longer communication times, which also requires more powerful equipment, and positioning uncertainty that can ...

As of August 2024, there were reportedly more than 700 unidentified objects in the Space-Track catalogue maintained by the 18th Space Defense Squadron. These are not alien spacecraft or mysterious ...