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Origin and evolution of life
Meteorites, Comets and Asteroids
Outer solar system
Moon to Mars
Robotics & A.I
Image of the Day
Astro Update: Welcome to Mars, TGO!
Oct 20, 2016
The European Space Agency and Roscosmos, the Russian Space Agency, celebrated as their joint satellite ExoMars with its Trace Gas Explorer (TGO) slid into orbit around the red planet.
Astro Update: A Second Look at Plumes and the Search for life on Europa
Oct 3, 2016
Once can be a coincidence. Twice can be luck. Seeing a hundred-mile-high column of water spew out of Jupiter’s icy moon Europa three times in a row has been cited as a good reason to get excited.