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Our journalists and guest bloggers bring you stunning imagery and the space stories that matter most.

Intro Astronomy 2014. Class 8: Icy Galilean Satellites, Saturn System

Bruce Betts • April 11, 2014

Explore the icy moons of the Jupiter System and tour the Saturnian system in this video of class 8 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Intro Astronomy Class 5: Venus (continued) and Mars

Bruce Betts • March 06, 2014

Continue exploring Venus and begin looking at Mars in this video of class 5 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Intro Astronomy Class 4: Eclipses, Mercury, Venus-Earth-Mars Atmospheres, Venus

Bruce Betts • February 28, 2014

This video of class 4 of Bruce Betts' Introduction to Planetary Science and Astronomy class discusses eclipses, Mercury, Venus, and a comparison of the atmospheres of Venus, Earth, and Mars.

Looking Backward: Curiosity gazes upon the setting Earth

Emily Lakdawalla • February 05, 2014 • 10

A few days ago, Curiosity looked westward after sunset and photographed Earth setting toward the mountainous rim of Gale crater.

Do you want to learn more about the Universe?

Matthew Francis • January 15, 2014

CosmoAcademy — a project from the CosmoQuest educational and citizen-science group — is offering three new online classes: Introduction to Dark Matter, Introduction to Astronomy via Color Imaging, and Life Beyond Earth: Introduction to Astrobiology.

Multiple views of comet ISON from solar-observing spacecraft

Emily Lakdawalla • December 02, 2013 • 6

When comet ISON passed through perihelion last week, solar observing spacecraft had a ringside view. Here are several animations of ISON's perilous passage from the SOHO and two STEREO spacecraft.

The Mariner Mars Globe

Don Davis • November 29, 2013 • 3

In 1971 I was being trained to work with the airbrush by the map artists at the U.S. Geological Survey's Branch of Astrogeologic Studies in Flagstaff. However, the project I ended up spending about a quarter of a man-year on was a hand-painted map globe of Mars.

On space kindness and the Chelyabinsk meteor

Vitaliy Egorov • October 04, 2013 • 1

Through an act of kindness, we now have images of the Chelyabinsk meteor trail from Russia's Elektro-L satellite.

Super cool Phobos and Deimos animations from Mars Express

Emily Lakdawalla • October 03, 2013

I've been delving in to the Mars Express image archive this week, checking out its images of Phobos, and found a couple of really cool time-series of images to assemble into animations.

Two new ways to browse Vesta: 2. Vesta Image data browser

Emily Lakdawalla • September 16, 2013

A few weeks ago I received an email pointing me to a really cool new map-based browser to Dawn's Vesta image data.

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