Images captured by NASA's Parker Solar Probe as the spacecraft made its record-breaking closest approach to the sun in ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial rocks reveals. NASA's Perseverance Mars rover recently came across an odd ...

Solar cells are devices for converting sunlight into electricity. Their primary element is often a semiconductor which absorbs light to produce carriers of electrical charge. An applied electric field ...