Powering spacecraft with solar energy may not seem like a challenge, given how intense the sun's light can feel on Earth.
SPHEREx, NASA’s latest astrophysics observatory, has launched aboard a Falcon 9 rocket alongside PUNCH, a mission studying solar wind. SPHEREx will create a 3D map of the universe, helping to uncover ...
Radioisotope thermoelectric generators do not rely on chemical reactions like the batteries in your phone. Instead, they rely on the radioactive decay of elements to produce heat and eventually ...