All of this adds up to the likelihood, the ESA warns, that a theoretical scenario known as the Kessler Syndrome could become ...

The concept known as “Kessler Syndrome” was proposed nearly five decades ago. Experts weigh in on whether the space-based disaster scenario is already unfolding.

This is how debris finds itself languishing in space—and what some organizations are doing to mitigate the problem.

The amount of space junk has magnified over the years, leading to more collisions and threats to future space missions.

Kenya Space Agency (KSA) officials in Nairobia, Kenya, East Africa, are reporting that on Dec. 30 a large metallic ring roughly 8 feet (2.5 meters) in diameter and weighing some 1,100 pounds (500 ...

The cascading effect may continue until Earth’s orbit is so clogged with junk that satellites become inoperable and space exploration must come to a grinding halt. Russia, for example ...

Here are a few of the most common (and problematic) types of space debris. Take Vanguard-1, a shiny metal ball the US Navy launched in 1958 to respond to the Soviet Union's Sputnik and Sputnik 2.

an incoming piece of space junk prompted the International Space Station to take action to maneuver itself out of harm's way. A Russian cargo ship docked at the space station fired its thrusters ...