Wind is the ... surface of the Earth. As hot air rises, cooler air moves in to fill the void. As long as the sun shines, the wind will blow. And wind has long served as a power source to humans.

Without its magnetic field, life on Earth would not be possible since this shields us from harmful cosmic radiation and charged particles emitted by the Sun, a steady stream known as solar wind.

New research suggests that the sun's relentless solar wind could've played a role. Scientists have worked hard to understand how Earth has so much life-giving water. There's lots of research ...

The solar wind is a steady stream of charged particles—mostly protons and electrons—that come from the sun. H + ions, which are simply protons, are the most abundant particles in the solar ...