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Aurora over Glacier National Park
Mesmerizing video of northern lights, resulting from storms on the sun that send charged particles across space, to interact with Earth's magnetic field.
October 8, 2016
New earthquake fault found in California
Scientists have discovered a new fault in the earthquake-prone region of Southern California that includes the greater Los Angeles area.
October 7, 2016
Snake eats lizard eats beetle
Scientists have discovered a 48-million-year-old fossil food chain in Germany. It's a snake with a lizard in its stomach, which in turn had eaten a beetle.
October 6, 2016
A 3rd Saturn moon has subsurface ocean
Saturn's moons Titan and Enceladus are already known to hide oceans beneath their icy crusts. Researchers think there's an ocean deep in Saturn’s moon Dione as well.
October 6, 2016
Rare proton arc over Canada
We see lots of photos here at EarthSky, but few photos of a proton arc. It's a rare type of aurora, and experts aren't entirely sure what causes it.
October 6, 2016
How to ask a horse what it wants
Do you want a blanket? Norwegian researchers recently described how they trained horses to use symbols to answer that question.
October 5, 2016
Microplastics found in deep-sea animals
Scientists were astonished to discover tiny bits of plastic inside the bodies of animals in the deep ocean.
October 4, 2016
Moon passes Venus, October 2016
Nighttime's 2 brightest objects, near each other! Photos from around the world, here.
October 3, 2016
Comet strike after dinosaur extinction?
An extraterrestrial impact likely caused the dinosaur extinction 65 million years ago. Did a comet strike 10 million years later cause a global warming?
October 3, 2016
Clues to ancient earthquakes in caves
Stalagmites on the floors of caves in southern Indiana contain evidence of past earthquakes, scientists say.
October 3, 2016
