Floods: Not just a coastal issue

As Hurricane Harvey shows, flooding can happen wherever large storms stall and dump lots of rain. A new study finds development is increasing in flood zones far from any coast.

Space station transits sun during eclipse

There was only one part of Earth where you could catch the International Space Station crossing the sun's face during the August 21 solar eclipse. These guys saw it, and created this video.

July 2017 tied with 2016 for hottest July

It was another hot July. Last month was tied with July 2016 as the warmest July in the 137 years of modern record-keeping.

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.

Eclipse photos from EarthSky 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.