Scott Tilley, a Canadian ham radio enthusiast, used his spare time during COVID-19 lockdown to track down a signal from LES-5, an experimental communications satellite launched in 1967.
The Earth's entire land mass is being photographed by satellites every single day. Trying to make sense of all these images falls to a U.S. spy agency many have never heard of.315
As private companies race into orbit, some experts in satellite operations say there isn't enough public infrastructure to keep all the satellites safe.
CubeSats are only about twice the size of a Rubik's Cube. Once dismissed as tools for students learning the principles of aerospace engineering, they're now being used for more sophisticated missions.
Iran says its intentions are peaceful, but the U.S. worries the planned launches are really about developing weapons — specifically, intercontinental ballistic missiles.
As part of his "rocket reusability" ethos, Elon Musk had hoped to use a giant net on a boat to catch the rocket's protective covering. It turns out it's hard to catch stuff falling from space.
