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Fireflies are back, upstate New York
Photo and report from an EarthSky friend who regularly watches for them.
May 28, 2015
Mammatus clouds over central Texas
Mammatus clouds don't keep extending downward to form tornadoes, as some believe. But they do come before, during or after severe weather.
May 27, 2015
See it! Best photos of moon, Venus, Jupiter
Photos from EarthSky community of the young moon, and bright planets Venus and Jupiter on these May evenings, 2015. Watch for them in the west!
May 20, 2015
Mountain shadow on clouds
Tenerife in the Canary Islands is one of the best places in the world to look up. Here's the shadow of Roque del Conde, a landmark mountain there, cast on clouds.
May 17, 2015
Watch a moon shadow on Jupiter
This composite represents an hour of Jupiter-watching. Watch a moon shadow on Jupiter's face, and see how far the Great Red Spot moves in that time.
May 16, 2015
Milky Way against a bright moon
Even in bright moonlight, astrophotographer Justin Ng captures amazing shots of the Milky Way. Here's one from May 6, during the peak of a meteor shower.
May 14, 2015
Sea haar and clouds meet
Here's a sea fog, called a haar in Scotland. They occur on the east coast of England or Scotland in spring and summer, when warm air passes over the North Sea.
May 13, 2015
Unusual rainbow over Spain
Remember the quadruple rainbow image that went viral last month? Here's an even more unusual rainbow, caused by the wave nature of light.
May 12, 2015
