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By Deborah Zabarenko WASHINGTON (Reuters) - A strong geomagnetic storm is racing from the Sun toward Earth, and its expected arrival on Thursday could affect power grids, airplane routes and space-based satellite navigation systems, U.S. [More]

Most photovoltaic solar cells have an inherent efficiency cap, limiting how much useful energy they can extract from the sun. But scientists are finding ways around this obstacle with new research that could make solar energy more efficient and more cost-effective

The past 24 hours have suddenly been awash in neutrinos, in addition to the 65 billion passing through every square centimeter of your skin every second from the Sun’s core. [More]

NEW YORK (Reuters) - Three large explosions from the Sun over the past few days have prompted U.S.

By Geoff Brumfiel of Nature magazine Seventeen and a half billion kilometers from Earth, mankind's most distant probe seems to be on the edge of interstellar space. The Voyager 1 spacecraft is at the limit of the 'heliosheath', where particles streaming from the Sun clash with the gases of the galaxy. [More]

By Eugenie Samuel Reich of Nature magazine Neutrinos have long perplexed physicists with their uncanny ability to evade detection, with as many as two-thirds of the ghostly particles apparently going missing en route from the Sun to Earth. [More]