Mercury and the Pleiades

The elusive planet Mercury and the lovely Seven Sisters are low in the west after sunset now. Watch for them.

Save me from light

An astrophotographer's lament, from the Muriwai hilltops in New Zealand.

Dramatic sunsets from Chile’s Calbuco volcano

Unusual sunset colors caused by the eruption of Calbuco volcano, caught by Helio C. Vital in Rio de Janeiro, Brazil, this past weekend.

Love is in the air

It's N. Hemisphere spring, and this male Purple Finch's thoughts are turning to ... well, hello, ladies!

Meteor over the Montana Rockies

At Lake McDonald in Glacier National Park.

Moon and Venus April 20-21, 2015

Did you see them? They were beautiful. Check out these photos from around the world.

Yes, the ‘quadruple rainbow’ photo is real, but it’s not a quadruple rainbow

Amanda Curtis' rare photo of oddly angled rainbows over Long Island on April 21, 2015 is the real thing. These are called reflection rainbows ...

A warped, edge-on spiral galaxy

In celebration of the Hubble Space Telescope's 25th anniversary, coming up this week, an image captured by the telescope in 2001.

Photos from International Dark Sky Week!

Beautiful images of a dark night sky, in celebration of International Dark Sky Week, April 13-19, 2015.

Skyglow: Imagine starry nights over cities

What Los Angeles would look like if you could see the night sky wheeling overhead.

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