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Mixed-up sunspot emits powerful solar flare
By Tom Metcalfe published
A mixed-up region of sunspots pointed almost directly at Earth just emitted a major solar flare, which could cause havoc with power grids and communication networks.
Huge solar flare captured in stunning NASA image as it fires off from the sun
By Ben Turner published
A powerful solar flare just erupted from the surface of the sun — and NASA captured stunning footage of it.
Sunspot sends off double flare, as solar activity ramps up
By Stephanie Pappas published
A restless sunspot sent off a double solar flare on Monday (April 25), temporarily disrupting some radio communications in Asia and Australia.
Powerful solar ‘burp’ flares on the surface of the sun
By Elizabeth Howell published
The sun is a beehive of flaring activity in a stunning new photo from a NASA spacecraft.
Large solar flare blasts toward Earth, causing radio blackouts
By Elizabeth Howell published
For the second time in days, the sun hurled a large, X-class flare at Earth, causing radio blackouts and the potential for auroras.
New swarms of sunspots are so gigantic they could devour Earth whole
By Tom Metcalfe published
Two immense swarms of sunspots have popped into view on the surface of the sun, hinting at the increased possibilities of vivid auroras and potentially damaging solar flares over the months to come.
Stunning aurora glow above Iceland after 'dead' sunspot erupts
By Elizabeth Howell published
A sunspot that "awoke from the dead" last week triggered stunning aurora above Iceland.
Sudden eruption from 'dead' sunspot could bring auroras as far south as New York
By Elizabeth Howell published
After a dead sunspot hurled a ball of plasma toward Earth earlier this week, medium-sized auroras may stretch even farther south than usual.
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