(This story has been updated to include Blue Origin's new target launch date.) Solar activity — which generated a rare overnight display of the northern lights on Florida's Space Coast — has triggered ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. On Feb. 22, there were zero ...

Four astronauts are preparing to fly around the Moon on a roughly 10-day mission, and for the entire trip, teams on the ground will be watching the Sun as closely as they watch the spacecraft. NASA ...

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Add Yahoo as a preferred source to see more of our stories on Google. A heavy space probe is falling to Earth today (March 10), eight years earlier than expected, according to NASA. The 1,300-pound ...

Scientists have long studied the sun, our solar system’s life-giving star, trying to understand its behavior, solar flares, and how it affects Earth. While we all rely on the sun for warmth and light, ...

Earlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This normally indicates a period of greatly reduced solar activity, but it's still too ...