Have Scientists Solved The Mystery Behind The Sun's 11-Year Cycle?

Every 11 years or so, our sun suddenly becomes a much busier place, with sunspots, flares, and all manner of activity bursting from its surface. But, although the results are clear enough, no one was quite sure why. Now, researchers think they've finally find an answer to this 4-centuries old scientific mystery. » 9/03/14 2:27pm 9/03/14 2:27pm

Solar realignment could spell decades of cooler temperatures on Earth

Looks like the Sun is up to some more crazy stunts. The website Asahi Shimbun reports that the Sun may soon have four poles, according to research by the National Astronomical Observatory of Japan and the Riken Research Foundation. This, in turn, could lead to much colder temperatures on Earth... starting as soon as… » 4/30/12 2:20pm 4/30/12 2:20pm

Scientific Evidence that Geomagnetic Storms Are Making You Sick

Geomagnetic storms aren't just beautiful to look at — these disturbances in the Earth's magnetic field could also be messing with your mind and body. There's a ton of evidence suggesting that geomagnetic storms can cause everything from depression to cardiac problems — and may even be influencing the stock market. » 3/16/12 1:00pm 3/16/12 1:00pm

Sunspot predictions now as accurate as your local weather report

How accurate do you expect your local weather report to be? Honestly, I'll believe their predictions up to 48 hours, but anything beyond that is pushing it. Now it looks like our ability to predict sunspots is now at that same level, giving us valuable warning time for people in space, and infrastructure on the ground. » 8/19/11 1:02pm 8/19/11 1:02pm

Illuminating the dark heart of sunspots

Scientists have know for a while that the core of a sunspot is invariably darker than the area around it. It's also much cooler than the rest of the sun's surface. But why? New research published in Science picks apart the cause, and provides some gorgeous sunspot images in the process. » 6/03/11 11:27am 6/03/11 11:27am

Watch new sunspots bubble up and grow on the solar surface

This video from NASA's Solar Dynamics Observatory tracks five new sunspots as they twist and turn on the Sun's surface. Amazingly, all of these sunspots are bigger than the Earth and have more energy than a million nuclear bombs. » 4/19/11 10:30am 4/19/11 10:30am

The clearest photo of a sunspot we've seen thus far

This is the clearest, most detailed image of a sunspot ever taken in visible light. These ultra-magnetic structures are thought to be crucial to potentially Earth-threatening space weather, and it's photos like these that will help us better understand the risk. » 9/05/10 1:15pm 9/05/10 1:15pm

Welcome Back Sunspots With The Many Colors Of Solar Pop Art

Sunspots have returned at last, after a worryingly dormant solar minimum. To celebrate, here are four current solar pictures from NASA's Solar And Heliospheric Observatory (SOHO). They're the sun at 304 Angstrom, 171 Angstrom, 195 Angstrom and 204 Angstrom. » 9/25/09 2:20pm 9/25/09 2:20pm

UV Solar Images Are Pop Art Masterpiece

NASA channels Warhol in these ultraviolet images of the sun, posted today. The non-artistic reason for the differing color spectrums is to show off a reversed-polarity sunspot, on the left. This sunspot marks the end of another cycle of waxing and waning solar flares, meaning the sun will begin climbing towards Solar… » 1/04/08 2:34pm 1/04/08 2:34pm