Powering spacecraft with solar energy may not seem like a challenge, given how intense the sun's light can feel on Earth.

Lithium-ion batteries, used in consumer devices and electric vehicles, typically last hours or days between charges. However, with repeated use, they degrade and need to be charged more frequently.

Solar panels are next to useless in the outer solar system, so NASA’s Voyager probes rely on nuclear batteries—technology ...

The Japan Atomic Energy Agency has developed what it says is the world's first "uranium rechargeable battery" and that tests ...

The question left hanging in the chemical air was whether a methyl could have an independent existence. This caught the eye ...

Imagine never charging your phone again or having a pacemaker that lasts a lifetime. Scientists are developing tiny nuclear ...

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 ...