The sun
Latest about The sun
A massive sunspot is currently visible to the unaided eye. Here's how to see it safely before it's gone
By John Loeffler published
A massive new sunspot is visible without using a telescope or binoculars, but you'll still need to protect your eyes when observing it.
Solar 'superflares' millions of times stronger than anything today may have sparked life on Earth
By Ben Turner published
Intense solar storms may have delivered Earth its earliest building blocks of life, new research suggests.
See amazing new sun photos from the world's largest solar telescope
By Sharmila Kuthunur published
The world's largest solar telescope has captured the sun's fine features in remarkable detail, including rare glimpses of dying sunspots.
Watch this giant sunspot erupt in barrage of powerful solar flares as it turns to face Earth (video)
By Daisy Dobrijevic published
The sun has released a barrage of solar flares in the past 24 hours. The culprit? A giant sunspot that's slowly rotating to directly face Earth — and it's not alone.
Powerful solar flare erupts from hidden sunspot sparking widespread radio blackouts (video)
By Daisy Dobrijevic published
The explosive solar flare erupted from a hidden sunspot on May 16 at 12:43 pm EDT (1643 GMT) triggering widespread radio blackouts.
Photographers capture the exact moment a gargantuan storm blasts out of the sun during a total solar eclipse
By Harry Baker published
A stunning composite image of the sun during a recent 'hybrid eclipse' in Australia is further proof that solar activity is ramping up.
A powerful eruption on the sun could create widespread auroras tonight
By Joe Rao published
A pair of eruptions seen on the sun might lead to a display of auroras for parts of the northern and central United States on May 11.
How hot is the sun?
By Daisy Dobrijevic last updated
Reference The sun's temperature varies from around 27 million degrees Fahrenheit (15 million degrees Celsius) in the core to about 10,000 degrees F (5,500 degrees C) at the surface.
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