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Editors of EarthSky

Huge magma reservoir discovered under Yellowstone supervolcano

It's below the magma chamber they knew about before and contains enough hot, partly molten rock to fill the Grand Canyon 11 times over.

Watch the Arctic ice pack vanish

Decades ago, most of Arctic's winter ice pack was made up of thick, perennial ice. Not anymore. Watch the change in this one-minute animation.

Experience 2 months of Rosetta’s comet

Spectacular images from Rosetta spacecraft of Comet 67P/Churyumov-Gerasimenko between January 31 and March 25. Many different angles. Increasing activity!

Tornado track in northern Illinois

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

Life’s building blocks in infant star system

"From a life in the universe point of view, this is great news,” said a researcher.

How good is your eyesight? Take this test.

Who do you see? Take a couple of minutes to have some fun. Video from the guys at AsapSCIENCE.

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.

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.

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!

Mars rover finishes first-ever marathon on another world

On Tuesday, the Mars rover Opportunity completed a marathon - 26.2 miles (42.195 kilometers). Its finish time? Eleven years and 2 months.

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