The first results from a new NASA sun-studying spacecraft are in, and they reveal a complex and intriguing picture of Earth's star. NASA's Interface Region Imaging Spectrograph probe, or IRIS, has ...

Just above the Sun’s surface lie twisting tornadoes that accelerate plasma to speeds of over 62,000 mph (100,000 km/hr). New findings by Lockheed Martin scientists show these motions are not only more ...

This news release is available in Japanese. Sunspots are planet-sized conglomerates of bundles of intense magnetic field lines on the surface of the Sun. They are known to cause explosions (solar ...

Why is the Sun's million-degree corona, or outermost atmosphere, so much hotter than the Sun's surface? This question has baffled astronomers for decades. Today, a team led by Paola Testa of the ...

A physicist who has developed a new model that predicts the speed of solar plasma during solar flares has likening it to the path traveled by a thrown baseball. A Montana State University physicist ...

NASA and the University of Colorado Boulder will launch a 60-foot rocket out of New Mexico on Friday, which, once launched, will reach the speed of sound within seconds and complete its scientific ...