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Comet Tempel 1 and Deep Impact
An artist's concept - and a real photo - from the first-ever impact from an earthly space probe onto the surface of a comet.
July 30, 2015
Solar halo over Sweden
Halos are a sign of high thin cirrus clouds drifting high above our heads. The clouds contain millions of tiny ice crystals, which both refract (split) and also reflect sunlight.
July 29, 2015
Bright basin on Tethys
After so many amazing images of Pluto and Charon, it's time to remember some other fascinating worlds within our solar system. Here is Saturn's moon, Tethys ...
July 28, 2015
First-ever look at Pluto’s night side
New image just released! A stunning snapshot of Pluto’s night side. The halo is from sunlight shining through the dwarf planet’s hazy atmosphere.
July 25, 2015
Best photos of the comet
Comet C/2014 Q1 (PANSTARRS) is easiest to catch in binoculars from Earth's Southern Hemisphere. Many have captured dazzling photos of the comet.
July 24, 2015
Double red rainbow over New Mexico
It's rare to see a red rainbow. Sky conditions have to be just right, and the timing has to be right. If you do see one, you'll never forget it.
July 23, 2015
Lightning over Jenne Farm in Vermont
This farm in Vermont has made an appearance on posters, notecards, calendars, magazine covers, and in movies such as Forrest Gump.
July 22, 2015
See it! Moon, Venus, Jupiter, comet
What a glorious western twilight sky on the nights of July 17 and 18, 2015! Waxing moon, brightest planets, and Comet C/2014 Q1 (PANSTARRS).
July 19, 2015
Comet appears briefly for Southern Hemisphere
It's setting soon after the sun, but it's in the same part of the sky as this weekend's spectacular display of the moon, Venus and Jupiter.
July 16, 2015
Waning crescent Venus
Venus orbits the sun one step inward from Earth. It'll pass between us and the sun in mid-August. Until then, telescopes will show Venus as a waning crescent.
July 15, 2015
