sun

Sun Unleashes Monster Blast—Biggest in a Year

The sun looks plenty angry, now that it’s at the peak of its 11-year solar cycle. A powerful solar blast uncorked late Monday was the biggest one in more than a year, report space-weather officials. Erupting from an already active sunspot region, the outburst is classified as an X4.9-class flare: “X” in that designation stands for “extreme.”…

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Comet ISON Barnstorms Sun

The day of reckoning has finally arrived for Comet ISON, as it slingshots around the sun and we find out whether it survives roasting. Comet ISON today reaches its closest point of approach to the sun, its “perihelion,” at around 1:44 pm EST (18:44 GMT) today. The frozen snowball from the solar system’s outer reaches…

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Sun About To Magnetically Flip

As the sun reaches a crescendo in its 11 year activity cycle this year, it’s also getting ready to go topsy-turvy.  The sun’s global magnetic field is about to reverse—flipping its orientation so that north becomes south and south becomes north. Astronomers estimate that we may be only three or four months away from this mysterious…

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Top 10 Headlines Today: Volcanoes ‘Scream,’ Blackbeard’s Treasure Found…

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Top 10 Headlines Today: Telescopic Contact Lens, Australian Skull Mystery…

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About the Blog

Researchers, conservationists, and others share stories, insights and ideas about Our Changing Planet, Wildlife & Wild Spaces, and The Human Journey. More than 50,000 comments have been added to 10,000 posts. Explore the list alongside to dive deeper into some of the most popular categories of the National Geographic Society’s conversation platform Voices.

Opinions are those of the blogger and/or the blogger’s organization, and not necessarily those of the National Geographic Society. Posters of blogs and comments are required to observe National Geographic’s community rules and other terms of service.

Voices director: David Braun (dbraun@ngs.org)

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