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Susan Gies Jensen in Odessa, Washington posted this photo to EarthSky FAcebook.  She wrote: "I learned that the northern lights were out last night from Facebook friend Chatfield Photographics and while I was taking images, was surprised to capture the unexpected appearance of the ISS!"
Science Wire | Apr 10, 2015

Auroras over US and similar latitudes

A geomagnetic storm sparked a display of auroras on the night of April 9-10. Auroras sighted as far south as Colorado! The storm may intensify later today.

Ice worm s can only survive at temperatures close to freezing. Image credit: Rutgers University
Science Wire | Apr 08, 2015

Bacteria key to ice worm survival

Living in ice is no easy feat, but ice worms make it work. Part of the secret to their survival on glaciers lies in a symbiosis between worm and bacteria.

1024px-Caramel_burmese_python
Science Wire | Apr 07, 2015

The python that’s eating Florida

Burmese pythons were imported to Florida as pets. Now tens of thousands of them are in the wild and they’re eating … everything. New York Times video.

The sun, via NASA
Science Wire | Apr 07, 2015

Scientists report seasonal changes on sun

Migrating bands of magnetic fields on the sun produce 2-year variations in solar activity as strong as those in the more familiar 11-year solar cycle.

Joplin tornado May 22, 2011
Blogs | Apr 07, 2015

Why no seasonal tornado forecast?

We never hear of an official tornado or severe weather outlook for the United States. Here’s why it would be tricky to create one.

Spring bud, 2015, from our friend Daniela Claudia G in Burcharest.
Science Wire | Apr 07, 2015

Signs of spring! Have a look …

No matter what the weather where you are, enjoy these photos from EarthSky friends on Facebook and G+.

The Large Hadron Collider
Science Wire | Apr 06, 2015

Large Hadron Collider is back up!

The world’s largest particle smasher restarted Sunday after a two-year upgrade.

cropped-global-lightning-activity
Science Wire | Apr 06, 2015

Where on Earth does lightning flash most?

According to satellite observations, more lightning happens over land than over the oceans, and more often closer to the equator. Check out this map.

Ephedra foemicia cones, with pollination drops. Photo: Kristina Bolinder
Science Wire | Apr 04, 2015

Plant’s pollination synchronized with full moon

Two scientists accidentally discovered pollination in a species of Ephedra is correlated with the full moon. The finding is a first for the plant world.

John Burroughs
Blogs | This Date in Science | Apr 03, 2015

This date in science: John Burroughs’ birthday

John Burroughs, one of the first naturalists, was the first to say, “I go to nature to be soothed and healed, and to have my senses put in order.”