Aurora borealis
Latest about Aurora borealis
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'Cannibal' solar bursts may bring auroras as far south as New York
By Tereza Pultarova last updated
The sun has spat out two clouds of plasma in the past two days, which might trigger beautiful aurora displays observable as far south as New York later this week.
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'STEVE' descends on North America after surprise solar storm
By Brandon Specktor published
A surprise solar storm bashed Earth on Aug. 7 and 8, triggering an appearance of the mysterious glowing phenomenon called STEVE.
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Stunning Northern Lights shine amid solar storm (photos)
By Elizabeth Howell published
Earth was zapped by a solar storm on Sunday (Aug. 7) and the activity generated enormous auroras, or northern lights, across a swath of the planet.
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41,000 years ago, auroras blazed near the equator
By Mindy Weisberger last updated
A geomagnetic event around 41,000 years ago sent the aurora wandering for centuries, as far south as the equator.
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Blood-red aurora transforms into 'STEVE' before stargazer's eyes
By Brandon Specktor published
New footage shows the mysterious auroral phenomenon called STEVE emerging from a blood-red arc of light in New Zealand in 2015.
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Glowing 'auroral beads' appear strung across the night sky. Here's what creates them.
By Samantha Mathewson published
A group of 13 telescopes allowed researchers to observe the process behind a unique type of aurora, known as auroral beads, for the first time.

The sun let out another flare and the photos are stunning
By Tereza Pultarova last updated
NASA's Solar Dynamics Observatory captured yet another solar flare blasting from the same overactive sunspot that triggered radio blackouts and stunning aurora displays on Earth earlier this week.

Earliest documented aurora found in ancient Chinese text
By Laura Geggel published
The oldest documented observation of an aurora may be in an ancient Chinese text.
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