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How ISS astronauts saw the eclipse

The International Space Station passed 3 times on Monday through the moon’s penumbral shadow. Images of the moon’s shadow on Earth, seen from space, acquired by ISS astronauts.

Awesome eclipse photos from friends!

We received many more wonderful photos of the August 21 eclipse than for any prior event. We love them all, and wish we could post them all! 

Largest-ever Gulf of Mexico dead zone

For 32 years, scientists have tracked the oxygen-depleted waters that appear each summer in the Gulf of Mexico. This year’s dead zone is the biggest yet.

The hunt for asteroids

New short video from NASA about the hunt for potentially hazardous asteroids and comets, and ways to defend Earth against them.

How to watch Monday’s eclipse online

Can’t travel to the path of totality for the August 21, 2017 total solar eclipse? Never fear. Here’s how to watch online from a variety of sources.

What to look for in a total solar eclipse

The August 21 total eclipse will last several hours. There will be many interesting things to look for. Bookmark this handy checklist of must-see events and effects, from eclipse gurus Fred Espenak and Mark Littmann.

Add your eclipse event to the AAS map

The American Astronomical Society wants to help you publicize your event for the August 21, 2017 total solar eclipse.

Solar eclipse marked beginning of Iroquois Confederacy

A total solar eclipse of August 22, 1142 may have coincided with the birth of the Iroquois Confederacy, oldest democracy in North America and possibly on Earth.

Studying sun’s atmosphere on eclipse day

Monday’s total solar eclipse will give scientists a rare opportunity to study the lower regions of the sun’s corona. Here’s what NASA scientists will be investigating.

Top 5 tips for photographing solar eclipse

Are you hoping to get some great pics of the August 21 total solar eclipse? Here are 5 tips from NASA to help you out.

Sunspots during solar eclipse? Probably

Add sunspots to the list of wondrous sights to look for during the total solar eclipse of August 21, 2017.

Science balloons soaring on new missions

NASA’s Balloon Program is preparing new missions, including one designed to investigate the birth of our universe.

Cassini’s final 5 starts August 14

Today, as part of its Grand Finale, the Cassini spacecraft begins its final 5 orbits, a set of ultra-close sweeps through Saturn’s upper atmosphere.

The story behind the 2017 eclipse stamp

A 1st-of-its-kind stamp that changes when you touch it, commemorating the August 21, 2017 total solar eclipse. Fred Espenak – whose photos are on the new stamp – tells the story.

How to know your eclipse glasses are safe

Unscrupulous companies are printing ISO certification labels on fake eclipse glasses. Click here for a link to a reputable vendors page from the American Astronomical Society.

Too hot to fly? How heat affects airlines

Major airports around the world will see more frequent flight restrictions in the coming decades because of increasingly common hot temperatures, say scientists.

See it! Full moon and partial eclipse

We in the Americas missed the partial lunar eclipse. Or maybe you were clouded out … or slept through it? See it after all, in these awesome photos from EarthSky friends from around the world.

To restore soils, feed the microbes

Healthy soil teems with bacteria, fungi, viruses and other microorganisms that help store carbon and fend off plant diseases.

What’s the August birthstone?

Happy birthday August babies! Your month has 2 birthstones, peridot and sardonyx.

A test of NASA’s asteroid defense system

Asteroid 2012 TC4 might give Earth a close shave, or pass more distantly, in October, 2017. Scientists are trying to reacquire the asteroid this summer – find it again in space – to determine its precise orbit.