Space weather has seen a flurry of activity this week. An explosive solar flare that erupted Tuesday, just two days after the ...

A new sunspot group has quickly grown and is spewing out the most intense type of solar flare. Effects on Earth are forecast ...

NASA says the energy from a flare travels at the speed of light. Therefore, a flare can be seen from Earth about 8 minutes ...

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The Sun unleashed powerful X-class solar flares from sunspot region AR 4366, tracked by NASA and the Solar Dynamics ...

The Sun has released four powerful X-class solar flares in just two days, alarming scientists worldwide. Experts warn these ...

Sunspot AR3089 erupted with a series of m-class flares that culminated with an M7-class flare. NASA's Solar Dynamics ...

A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense ...

Astronomers and satellite operators are on high alert. "More flares are in the offing," warn forecasters, as the sunspot's instability promises weekend fireworks.

A recent solar flare has caused the Northern Lights to appear across the world ...

This weekend, a powerful solar flare erupted from the sun, and that coronal mass ejection began to hit the earth on Monday. Beautiful auroras populated the night sky starting as far south as New ...

The northern lights were visible in several New Hampshire communities Monday night, appearing earlier than initially expected ...