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Seven shield-bearing warriors stand guard below the rising Milky Way, in a very special place in Montana.
Hot Jupiters have masses like our Jupiter, but orbit their stars closely. They often have cloud or haze layers, which, a new study says, may hide atmospheric water.
A light painting under the stars of southern Maine.
It’s a symbol for constancy, but, if you took its picture, you’d find that the North Star makes its own little circle around the sky’s north pole every day.
A view of noctilucent – or night shining – clouds from the International Space Station.
ALCon 2016 is the national amateur astronomy convention, held this year from August 10-13 in Washington, D.C. Registration is now live!
A ring or circle of light around the sun or moon is called a halo by scientists.
People at high latitudes are seeing glowing clouds in a dark night sky. They’re called noctilucent or “night-shining” clouds.
Faint purple aurora borealis, green airglow, and the Milky Way over lights at a dock near Granite, Colorado.
Next time you see a firefly, keep in mind that its flickering isn’t just a wonder of the night. It’s also a unique, and sometimes deadly, language of love.
Imagine the ecliptic, or sun’s path
Juno on Jupiter’s doorstep