A coin-sized nuclear 3V battery has entered mass production. The battery, which is produced by Betavolt, can produce energy for 50 years.

Radioisotope thermoelectric generators can turn heat into electricity using a principle called the Seebeck effect, discovered ...

To build them, engineers would need to navigate tricky regional geology, design accelerating cavities, handle the excess heat within the cavities, and develop powerful new magnets to whip the ...

Astronomers have found early evidence of the Universe’s transformation from a foggy, opaque state to a transparent one, ...