Seventy years ago, Earth had only one satellite: the Moon. Now it has more than 15,000 – about 10,000 of which are owned by Elon Musk’s SpaceX. The world’s first trillionaire plans to launch one ...

Three weeks ago, while setting a record for the most spacewalks, astronaut Peggy Whitson lost the shield she carried to protect her against being hit by space debris. The space shield floated away, ...

The problem of space debris isn't just a science fiction scenario anymore. It's a real threat that gets worse every year, and honestly, most people don't realize how urgent it's become. We're talking ...

Space junk derives from various sources, such as used satellites, spent booster rockets, and parts of shattered spacecraft. This junk lingers above our atmosphere, until it collides with something ...

A new listing of the 50 most concerning pieces of space debris in low-Earth orbit is dominated by relics more than a quarter-century old, primarily dead rockets left to hurtle through space at the end ...

We have launched all manner of satellite and machinery into low-Earth orbit. But what goes up must come down. Most often, these items burn up in the atmosphere upon re-entry, which isn’t good for air ...

China's Shenzhou-20 spacecraft took a hit from a piece of space debris floating through orbit, causing Chinese officials to delay the spacecraft's return from its Tiangong space station in early ...

Over the past few years, tech leaders have increasingly advocated for space-based AI infrastructure as a way to address the power requirements of data centers. In space, sunshine—which solar panels ...