Simulation shows why April solar eclipse may be especially magnificent
When the moon blocks the sun and day turns to night on April 8, the sky will take on an otherworldly appearance for those in the path of totality -
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When the moon blocks the sun and day turns to night on April 8, the sky will take on an otherworldly appearance for those in the path of totality -
A severe geomagnetic storm created auroras that were visible as far south as Arizona in the U.S.
A severe geomagnetic storm created auroras that were visible as far south as Arizona in the U.S.
The sun can experience two overlapping solar cycles. The end of the overlap leads to a spike in sunspots and other solar activity, researchers have found.
Something big may be about to happen on the sun. "We call it the Termination Event," says Scott McIntosh, a solar physicist at the National Center for Atmospheric Research (NCAR), "and it's very, very close to happening." If you've never heard of...