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What happens underground when a meteor hits

High-speed videos show what happens underground when an asteroid - or missile - strikes Earth.

April 17, 2015

Sperm whale meets deep-sea vehicle

Encounters between sperm whales and ROVs - remotely operated underwater vehicles - are rare. Watch this video, posted April 14.

Deborah Byrd

April 15, 2015

Tornado track in northern Illinois

Satellite view makes clear how unlucky the 150 people of the town of Fairdale were on April 9.

Editors of EarthSky

April 15, 2015

Brontosaurus is back!

If you had to name a dinosaur, you might say Brontosaurus. But, since 1903, experts have said that Brontosaurus isn't a separate species. Now Bronto is back!

EarthSky Voices

April 13, 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.

Deborah Byrd

April 10, 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.

EarthSky Voices

April 8, 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.

Editors of EarthSky

April 7, 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.

Deborah Byrd

April 7, 2015

A seasonal tornado forecast would be tricky to create

There's a seasonal hurricane forecast. Why no seasonal tornado forecast? Here's why an official tornado or severe weather outlook for the United States would be tricky to create.

Matt Daniel

April 7, 2015