The First Mission to Clean Up Space Junk Will Launch in 2025
ClearSpace-1 will use a "Pac-Man system" to capture an abandoned rocket part, which may lead to a new market for commercial services in orbit.
This Startup Is Making Food Mostly Out of Air and Electricity
Solar Foods says its protein powder is “completely” disconnected from agriculture. But its currently low production yield of 1 kg per day raises red flags.