The magnetic poles are the two ends of the magnetosphere, which surrounds the Earth like a giant, invisible force field. This celestial shield protects the planet by fending off solar wind, particle ...

You're going to feel sooo much better once you finally knock these things off your to-do list. View Entire Post › ...

ESA’s Solar Orbiter should solve the longstanding puzzle about why the Sun’s outer corona is so much hotter than its surface.