The US military may soon declassify a secret space weapon

To solve space traffic woes, look to the high seas. Ruth Stilwell, an expert in space and aviation policy, thinks the best way to protect spacecraft is to adopt lessons from maritime law.

Millennium Space in an experiment de-orbited a satellite in eight months. Tethers’ tape creates additional surface area that interacts with the Earth’s atmosphere to create drag, which draws satellites back to Earth faster. The tape is deployed when a satellite is ready to de-orbit.

Mystery object in space could be a new arm of the Milky Way