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Do stars make sounds?
The stars might be singing – but, since sound can't propagate through the vacuum of space, no one can hear them.
March 24, 2015
Help name features on Pluto and Charon
New Horizons spacecraft will sweep past Pluto and its moons on July 15, revealing their surface features for the first time! You're invited to help choose names.
March 23, 2015
See it! Best photos of March 20 solar eclipse
Awesome photos of the March 20 solar eclipse, by EarthSky Facebook and G+ friends lucky enough to see it, and kind enough to share their pics.
March 20, 2015
Dawn breaks over Ceres … and perhaps reveals signs of habitability
The Dawn spacecraft is about to start its investigation of Ceres. Suggestions of icy volcanism have led to speculation that the dwarf planet could potentially be habitable.
March 18, 2015
Aurora and mysterious dust cloud around Mars
Spacecraft spies two strange phenomena in the Martian atmosphere: An unexplained high-altitude dust cloud and aurora that reaches deep into the Martian atmosphere.
March 18, 2015
Most stars have planets in habitable zone
Researchers calculate that billions of stars in our Milky Way galaxy have 1-3 planets in the habitable zone, where there may be liquid water and life.
March 18, 2015
Colors of life on exoplanets
Scientists measure chemical fingerprints for 137 different microorganism species. They hope astronomers will use the colors to recognize life on distant planets.
March 16, 2015
Possible rings around minor planet Chiron
Chiron is the second minor planet and the second centaur - orbiting beyond Jupiter in the outer solar system - suspected to have a ring system.
March 16, 2015
Angara rocket key to Russia’s launch future
With development stalled many times over 20 years, successful Angara test flights have buoyed Russian hopes to compete in the space launch industry.
March 16, 2015
Underground ocean on Jupiter’s largest moon
An ocean below the surface of Jupiter's large moon Ganymede has more water than all earthly oceans, according to evidence from the Hubble Space Telescope.
March 15, 2015
