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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
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
Moon passes Venus, October 2016
Nighttime's 2 brightest objects, near each other! Photos from around the world, here.
October 3, 2016
Goodbye September
Jüri Voit saw this rainbow yesterday, the last day of September, in Estonia.
October 1, 2016
Star party ahead
At a star party, amateur astronomers with telescopes will show you the night sky.
September 30, 2016
Rosetta spacecraft selfie with comet
An otherworldly take on an earthly trend, as Rosetta posed with its comet, 67P/Churyumov–Gerasimenko, in 2014.
September 29, 2016
Meteor over Hidden Lake, Montana
The road into the heart of Glacier National Park in Montana is called Going-to-the-Sun Road. Here's a night sky photo over the park's Hidden Lake.
September 25, 2016
Star trails at Giant Magellan Telescope site
When completed in 2025, the Giant Magellan super-scope in Chile is expected to have a resolving power 10 times that of the Hubble Space Telescope.
September 24, 2016
Wildfires in Siberia
2016 has been a bad year for wildfires in the forests of eastern Russia, too.
September 20, 2016
