Space debris as a research area focuses on the characterization, modeling, monitoring, and mitigation of artificial objects orbiting Earth that are no longer functional, including defunct satellites, spent rocket bodies, and fragmentation products. It encompasses orbital dynamics and environment modeling, collision probability assessment, re-entry prediction, material response during breakup, and the long-term evolution of the debris population. Research addresses sensor technologies and data processing for tracking, space surveillance and tracking (SST) architectures, mitigation and remediation strategies (e.g., post-mission disposal, active debris removal), and the development of technical standards and guidelines to preserve the sustainability and safety of space operations.
In the sweeping shadow of a satellite dish, staff at the Chilbolton Observatory in southern England track a growing number of objects in Earth's orbit, providing data that underpins Britain's space monitoring efforts.
Space Exploration
Aug 7, 2026
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A South Korean satellite has captured the first pictures of the moon's fresh crash scene caused by a stray SpaceX rocket.
Space Exploration
Aug 7, 2026
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A SpaceX rocket that launched a pair of lunar landers slammed into the moon as predicted on Wednesday after drifting off course for the past year, scientists reported.
Space Exploration
Aug 6, 2026
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A piece of a SpaceX rocket weighing four tonnes (4.4 tons) was believed to have unintentionally crashed into the moon on Wednesday, a collision that posed no danger to Earth but is expected to leave behind a lunar crater.
Space Exploration
Aug 5, 2026
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The space around Earth is becoming increasingly crowded, with thousands of satellites and pieces of debris now sharing low Earth orbit. Even above this region—at altitudes of several hundred kilometers—the extremely thin ...
Astronomy
Aug 4, 2026
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A drifting SpaceX rocket is on a collision course with the moon after launching a pair of lunar landers more than a year ago.
Space Exploration
Jul 31, 2026
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Cislunar space has become the focal point of considerable interest and strategic planning because of the many proposed missions to send crews to the moon in the next decade. These include NASA's Artemis program, China and ...
Space Exploration
Jul 30, 2026
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Every year, thousands of satellites are launched into orbit around our planet. The result is an increasingly congested "space" above Earth populated by equipment that provides services to the surface. At the same time, these ...
Space Exploration
Jul 30, 2026
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A commercial robotic spacecraft called LINK launched on an emergency mission to save NASA's Neil Gehrels Swift Observatory, which has been slowly falling toward Earth, on July 3, 2026. Over the coming weeks, LINK, built by ...
Space Exploration
Jul 22, 2026
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Scientists have successfully demonstrated a breakthrough in how sensitive radio telescopes can be used to significantly improve the world's ability to detect, track and characterize satellites and space debris in orbit.
Astronomy
Jul 22, 2026
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