Before we dive in, let’s do a quick review to appreciate what it actually means for an object to be in orbit. As Isaac Newton’s famous first law of motion states, an object in motion will stay in ...

The Chinese weather satellite Fengyun 1C was deliberately destroyed by China in an anti-satellite weapon test in 2007 and peppered low-Earth orbit with an estimated 3,000 pieces of shrapnel. In 2012, ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, said Renu Malhotra, a planetary scientist at the University of Arizona who has ...

Old rocket parts and decommissioned satellites are whizzing around in low Earth orbit, where they risk colliding with the ...

The problem of debris in Earth orbit is getting worse. According to the European Space Agency's (ESA) annual Space Environment Report, the amount of space debris is rising quickly. We're sending ...

An experimental satellite that launched in 1974 disappeared from ground-based sensors in the 1990s, only to be found again this week. Some defunct satellites or debris can often go missing for years, ...

A Chinese aerospace company, Geovis Insighter Technology Co. Ltd., is preparing to launch an ambitious space situational awareness (SSA) network designed to monitor orbital traffic and debris in low ...

(CNN) — Once upon a time, gazing at the night sky was an escape from manmade messiness on Earth. Not anymore. Nearly 70 years after the launch of Sputnik, there are so many machines flying through ...