The Solstice Reminds Us We Know Jack About the Sun

It's an enigmatic ball of gas.

Where It's Cloudy for Today's Total Solar Eclipse

It's looking good.

What Time Is the Total Solar Eclipse Today? Depends on Your Zip Code

It depends on what part of America you’re standing in.

Yes, You Can Blind Yourself Staring at the Sun

Don't be like Newton – wear solar shades during the total solar eclipse.

A Harrowing Account of America’s Last Total Solar Eclipse

‘I heard screams.’

Every North American Will See at Least Some of the Eclipse on Monday

It’s happening in your neighborhood, whether you like it or not.

Here's How to Make a Pinhole Viewer So You Don't Have to Buy Another Thing

All you basically need are scissors, paper, tape —  and a solar eclipse.

Astronaut Films a Solar Eclipse From Space

Ultra-Radiant Fake Russian Star Fails

Dark sky advocates are relieved.

China's Simulated Mars Colony Is its First Small Step to the Red Planet

It's a good place to prep astronauts for a callous world. 

NASA Just Finished Testing Its Mega-Rocket Engines: What's Next?

These engines will eventually blast astronauts toward Mars.

When Was the Last Total Solar Eclipse in America?

It hasn't happened here for nearly 40 years.

Your T-Shirt Color Might Make Animals Think You’re a Predator

Seeing wildlife might mean sacrificing style.

Russian Launch Services Operator Eyes Lunar Mission in Early 2020s

Glavkosmos wants to hitch rides upon the powerful Soyuz rocket.

Why the Bloody Moon in Viral Poseidon's Temple Photo Looks So Big

It’s an illusion. Mostly.

Rare 'Game of Thrones' Dragonglass Is Easy to Find On Earth

Obsidian is a natural glass, ideal for destroying White Walkers.

Russian Scientists Will Drop a Big Red Ball Onto Venus

Inside will be a heat resistant lander.

It’s Been 50 Years Since We First Saw a Pulsar

Scientists think pulsars might one day guide travelers through interstellar space.

Cassini Spends Its Final Days Hunting for Tiny Moons in Saturn's Rings

So far, the moons have eluded scientists.

This Is What Typhoon Noru Looks Like From Space

Typhoon Noru is two weeks old and headed toward Japan.