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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.”

Photo credit: Greg Lasley
Science Wire | Apr 02, 2015

This songbird migrates 1,500 miles non-stop

The tiny blackpoll warbler completes a nonstop flight across the Atlantic in just two to three days. Amazing!

diamond
Science Wire | Apr 01, 2015

What’s the birthstone for April?

Happy birthday April babies! Your birthstone, the diamond, is the rich cousin of graphite.

black-bear-usfws-300
Blogs | Apr 01, 2015

Spring means these 4 hibernators are waking up

With the onset of spring in the Northern Hemisphere, animals that hibernate are waking up from a long-period of deep sleep.