Monitoring space traffic between Earth and the moon using sensors and digital signal processing to detect and track faint cislunar objects quickly. ARLINGTON, Va. – U.S. military researchers are ...

Cosmonaut Nikolai Chub working on the Russian segment of the International Space Station during an April 2024 spacewalk. Credit: NASA MILAN – Spacewalks, often a highlight of space missions, are ...

Imagine the explosive disturbance caused by a jet going supersonic. A similar shock wave occurs when subatomic particles known as "solar wind" flow from the sun and strike the Earth's magnetic field.

Space junk: a computer-generated image of objects in Earth orbit that are currently being tracked. Approximately 95% of the objects are orbital debris, rather than functioning satellites. (Courtesy: ...