Solar panels are next to useless in the outer solar system, so NASA’s Voyager probes rely on nuclear batteries—technology first developed in the 1960s—to keep running billions of miles from Earth.
The Baba Yaga returns and this time, he's the baddie.
The project in the Atacama Desert could increase light pollution by up to 50%, making it much harder to observe the cosmos near the Paranal Observatory.
Firefly's Blue Ghost watched the Sun setting on the Moon's horizon before powering down.