Levels of potentially dangerous cosmic radiation in Earth's atmosphere rose to a two-decade high in November after a rare solar super-flare pummeled the planet with high-speed particles from the sun.

The Sun follows a 22-year magnetic cycle, with solar activity rising and peaking roughly every 11 years. But when conditions are right, solar flares—intense bursts of radiation—also fire off coronal ...

Which way the wind blows in space has new importance for astronaut safety at the Moon. Using data from several NASA missions, scientists discovered that wind created by high-speed particles from the ...

Okay, it's not quite that common an occurrence, but there are indeed a number of firms giving this a go. The latest to join ...

Discover which countries are taking advantage of solar power and how they are implementing systems to use solar as a viable source of energy.

A new solar device generates 15 times more energy: a breakthrough in thermoelectric generators converts solar heat into ...