Sun

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

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.

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!

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

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

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

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.

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.

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.

How Astronomy Cameras Are Helping British Muslims Schedule Morning Prayers

The cameras would help track exactly when the sun rises

Hello, Aurora.

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

Why Do We Still Have Morse Code and More Questions From Our Readers

You asked, we answer

After Two Years, Lost NASA Spacecraft Phones Home

Using the Deep Space Network, mission control has reestablished contact with the solar observatory STEREO-B

Grab your sunglasses—all of those far-off stars, black holes and celestial bodies contribute to your killer tan.

Part of Your Suntan Comes From Photons That Are Billions of Years Old

Thank bodies from beyond the galaxy for a bit of that golden glow

An solar storm erupts on April 16, 2012, captured by NASA's Solar Dynamics Observatory in the 304 Angstrom wavelength.

The Solar Storm That Nearly Set the Cold War Ablaze

How radio interference from a 1967 solar storm spooked the U.S. military—and launched space weather forecasting

Collector urchins can protect themselves from the sun by covering themselves with bits of algae, coral and other detritus.

Urchin Sunscreen and Other Ways Animals Beat the Burn

Species have come up with a variety of ways to protect themselves from the sun

How sleepy you are may depend on a number of factors, including age and where in the world you live.

Smartphone Study Uncovers Why So Much of the World is Short on Sleep

Age, gender and nationality impact how much we sleep, and social pressures rob many of needed rest

An illustration of the path Mercury will take across the sun on May 9.

For The First Time in a Decade, Watch Mercury Cross the Sun's Face

Next week's transit of Mercury is one of the major astronomical events of the year

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