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Sun

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

Life in the Cosmos

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

New Research

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.

Cool Finds

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.

New Research

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

New Research

Magnetic Field Around Uranus Are a Chaotic Mess

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

Cool Finds

Will You See August’s Great Eclipse? This New Tool Helps You Find Out

Just plug in a zip code and the solar simulator will show when the big event will pass overhead

Researchers now think that most stars—like this pair in the Perseus constellation—form in pairs.

New Research

Our Sun Probably Grew Up With a Sibling

But now its buddy is long gone

This brave little craft will face blinding temperatures near the sun.

Trending Today

NASA Hopes to “Touch the Sun” With a Newly Named Probe

The craft will travel within 4 million miles of the sun’s surface

Don’t skimp on the SPF

How Sunscreen Protects Your Skin’s DNA

The chemistry behind this protective lotion reflects a modern understanding of the danger of ultraviolet rays

Surprise!

Cool Finds

Watch a Partial Solar Eclipse From Space

It’s a preview of even more spectacular things to come

Where to Go if You Want to See Manhattanhenge in 2017

It’s the most anticipated sunset of the year

The VLF bubble around Earth

New Research

A Human-Made “Bubble” of Radio Waves Could Be Shielding Earth From Radiation

Very Low Frequency radio waves have created a protective bubble around the planet

Artist's rendering of what DeeDee may look like

New Research

Meet DeeDee, the Solar System’s Newest Dwarf Planet (Maybe)

Though the tiny icy orb meets all the criteria, it has yet to receive the official designation

Uranus and its aurora

Cool Finds

Take a Peek at the Auroras on Uranus

This composite image gives the best view yet of the seventh planet’s atmospheric lights and ring

Put on your sunglasses—when in action, this artificial sun is 10,000 times brighter than the usual solar radiation here on Earth.

Cool Finds

This New Man-Made Sun Is 10,000 Times More Intense Than Sunlight on Earth

It’s a bright idea that just might help humans create solar fuel

Space weather may look cool, but it could hurt astronauts.

New Research

When it Comes to Predicting Solar Storms, Space May Not Be the Place

A new study shows that earth-based observations can get warnings out sooner

Watch the moon from this moonscape in Craters of the Moon State Park, Idaho.

Fifteen Perfect Spots to Watch the Total Solar Eclipse as it Crosses the U.S. This Summer

One of the most exciting astronomical event in U.S. history is happening in August

The Birmingham Central Mosque in the United Kingdom.

New Research

How Astronomy Cameras Are Helping British Muslims Schedule Morning Prayers

The cameras would help track exactly when the sun rises

Hello, Aurora.

Cool Finds

Why Iceland’s Biggest City Turned Off Its Lights for One Night

Reykjavik decided to pause in the dark to witness one of Earth’s most beautiful phenomena

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