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David Callejas
aurora-alongside-meteor-Jeremy-Friebel

An aurora, and the start of meteor season

The sun is in an active part of its 11-year cycle, so auroras have been frequent. Meanwhile, summer meteor season in the Northern Hemisphere is gearing up.

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A liquid lake on Saturn’s moon

A false-color mosaic of Ligeia Mare – the second-largest known body of liquid on Saturn’s largest moon, Titan. It’s larger than Lake Superior on Earth.

Starburst-ring

Starburst ring

Although at first glance you may see a number of rings in this image, astronomers believe that Messier 94 has just one starburst ring.

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Spectacular sunset over Mono Lake

This photo was taken by Facebook friend Chris Tinker shortly after the sun set over Mono Lake, California.

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Video: Washing your hair in space

Astronaut Karen Nyberg – currently aboard the International Space Station – demonstrates how one washes long hair in space.

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World’s largest urban bat colony

World’s largest urban bat colony captured from under the Congress Avenue Bridge in Austin, TX thanks to our friend Pamela Phillips.

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Secret sunrise

Sunrise over Currituck, North Carolina, taken at Greg Diesel’s secret location deep in the marsh this morning.

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Joshua tree highlighted by supermoon

Joshua Tree National Park in southeastern California on the night of the June supermoon, captured by Patricia Knight.

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Supermoon alongside Lincoln Memorial

Amazing shot of the 2013 supermoon over the Lincoln Memorial – an iconic american monument – taken by Jim Knapp on June 23rd.

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Together ‘neath the supermoon

A mother and her sons watch the 2013 supermoon rise over Tempe Town Lake in Arizona.