CME and sun-diving comet

A coronal mass ejection (CME) erupted from the sun's far side on August 20. At nearly the same time, a small sun-diving comet met its end.

Comet ISON’s path across our sky

This chart shows how we on Earth see Comet ISON in front of the background stars, as it falls toward the sun, moving from the outer to the inner solar system.

Blue Moon ahead!

Blue Moon coming up tomorrow night - August 20-21.

Sailing stones

Mysterious sailing stones of Racetrack Playa, a dry lake bed in California's Death Valley.

Moon halo and Milky Way

Composite image of Milky Way and moon halo - with Venus and Saturn - captured in Mersing, Malaysia before peak of Perseid meteor shower earlier this week.

Choppy waters in Lake Michigan

Choppy waters in Lake Michigan, the windy city Chicago, and a sunset.

Comet ISON recovered!

Comet ISON might have become a spectacular sight around the time it comes closest to our sun in late November 2013. But, as of now, that's not looking likely.

Last night’s moon and Venus

Here are the moon and planet Venus in Saturday night's evening twilight sky, as seen from a Mediterranean island in Tuscany, Italy.

City below, serenity above

The moon near Venus shining over the busy Sydney, Australia streets as seen through the lens of EarthSky Facebook friend Goran Hasanbeg on August 9, 2013.

Midnight meteor over Boston

EarthSky Facebook friend Ed Grzyb captured this Perseid meteor flying high over Boston shortly before midnight on August 7, 2013.

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