Sun

Earthlings: There's No Need to Freak Out About Tonight's Solar Storm

Expect small disruptions to satellite communications and minor surges in the power grid. Find out how USGS predicts effects of geomagnetic storms

Illustration of the Parker Solar Probe spacecraft approaching the Sun.

Get a "Hot Ticket" to Send Your Name to the Sun

Sign up to have your name placed on a microchip that will travel on board the Parker Solar Probe

Is the Fall Equinox the Secret to the Pyramids' Near-Perfect Alignment?

One engineer says yes

The IMAGE satellite

Amateur Astronomer Finds Long-Lost NASA Satellite

The hobbyist was in search of the lost Zuma satellite when he spotted IMAGE, which went offline in 2005

The 2007 midwinter solstice illumination of the main altar tabernacle of Old Mission San Juan Bautista, California.

How the Sun Illuminates Spanish Missions On the Winter Solstice

Today, the rising sun shines on altars and other religious objects at many Spanish churches in the U.S. and Latin America

Maria Telkes, known as the "Sun Queen" for her focus on solar energy.

This 1940s Solar House Powered Innovation and Women in STEM

As far back as the 1940s, people were worried about running out of fuel. The sun seemed like a feasible alternative

A painting of an aurora seen in Japan on September 17, 1770, in the book "Seikai"

Using 18th-Century Writings and Illustrations, Scientists Model an Ancient Magnetic Storm

The vibrant aurora lit up the night sky over the city of Kyoto, Japan, some 250 years ago

A triple solar flare recorded in April, 2017

Could a Magnetic Shield Protect Earth From Space Weather?

A bad geomagnetic storm would fry the electric grid and cripple civilization for years—a space shield is cheap by comparison

X9 solar flare emitted by the sun

NASA Captures Strongest Solar Flare in a Decade

This morning, the sun emitted two X-class flares, disrupting GPS and radio signals

This series was captured over the course of three hours from St. Louis Missouri. Look closely at the right edge of the fully eclipsed sun and you can see a large solar flare.

Stunning Photos Capture the Solar Eclipse Across America

This stellar phenomenon delighted millions today as it transited across the United States

NASA's Earth-orbiting satellite Hinode observes the 2011 annual solar eclipse from space.

Eclipse 2017: In Pursuit of Totality

You’ve made plans, packed bags, obtained glasses. Here's what to read to fully appreciate this event in all its glory

This Pueblo rock carving in New Mexico might represent a remarkable solar eclipse dating back to 1097.

This New Mexico Petroglyph Might Reveal an Ancient Solar Eclipse

In 1097, a Pueblo artist may have etched a rare celestial event into the rock for all of posterity

Your eclipse glasses won't be the only tool to make this month's stellar phenomenon cool

Use This App to Get the Most From the Coming Eclipse

With livestreams, simulations and safety guides, this Solar Eclipse app will be the key tool for the upcoming astronomical extravaganza

Under the Sun's surface is a rapidly rotating core with a temperature of 29 million degrees Fahrenheit

The Sun's Core Spins Roughly Four Times Faster Than Its Surface

Satellite data lets scientists peer into the depths of our star, uncovering hints to its formation

On Earth, creatures from sharks to snails to these coral polyps light up the darkness. Are glowing aliens really that far-fetched?

Could We See Glow-in-the-Dark Aliens From Earth?

Extraterrestrial life might make its own light to protect itself from harmful radiation

A thin film of DNA could work even better than sunscreen at protecting our skin

Why Salmon Sperm DNA Could Revolutionize Sunscreen

A thin layer of the genetic material seems to effectively block the sun's rays and becomes more effective over time

How Sunbathing Became a National Craze in the 1930s

Tanning was big business in the 1930s, as people sought to recreate the sun-kissed California beach look

Marvel at the sky from the sky with a special chartered flight.

Chase August’s Solar Eclipse Aboard This Special Flight

Alaska Airlines will give away one coveted seat on the chartered flight

These shooting plasma bursts are mysteries no more.

Scientists Figured Out How the Sun Shoots Plasma Jets

Neutral particles are behind spicules’ spectacular show

Auroras on Uranus caused by changes in its magnetosphere

Magnetic Field Around Uranus Are a Chaotic Mess

Using data from the Voyager 2 mission, researchers have modeled Uranus's off-kilter magnetosphere

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