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Geologic map of planet Mars

USGS released this cool geologic map of Mars this week, which was prepared for NASA. What to see first? Notice impact craters, in yellow.

Deborah Byrd

July 16, 2014

Astronaut’s Vine of auroras from space

Auroras are awesome to see from here on Earth. Check out the view from space! Vine posted by ISS astronaut Reid Wiseman.

Eleanor Imster

July 16, 2014

Draco the Dragon on July evenings

Two of the brightest stars here are Eltanin and Rastaban. Dragon's eyes! Rrrrr! And Thuban is just ... well, awesome.

Editors of EarthSky

July 16, 2014

Rosetta spacecraft’s comet has a double nucleus!

More complex shape for 67P/Churyumov-Gerasimenko restricts potential sites for November 11 landing. "Wow, wow, wow! I can't wait to get closer!"

Deborah Byrd

July 15, 2014

Video: What New Horizons might see when it reaches Pluto next July

"Because Pluto has never been visited up-close by a spacecraft from Earth, everything we see will be a first," said NASA's Adriana Ocampo.

Deborah Byrd

July 15, 2014

Discern a supermoon’s large size with the eye? An observer says yes

There's a supermoon this weekend, and many will tell you that you can't discern its extra large size with just your eye. Daniel Fischer in Königswinter, Germany says that's not true.

EarthSky Voices

July 12, 2014

Dark skies of Utah timelapse

You'll love this spectacular timelapse of the summer night sky over Utah.

Eleanor Imster

July 11, 2014

Spiral bridge of young star clusters links colliding galaxies

This Hubble Space Telescope image shows a chain of star clusters resembling a corkscrew-shaped string of pearls winding around the cores of the galaxies.

Deborah Byrd

July 10, 2014

Bright meteor over Australia on July 10 was a rocket reentry

That bright meteor over Australia - seen by many - was likely the reentry of the upper state of a Soyuz rocket, launched two days earlier. Video here.

Deborah Byrd

July 10, 2014