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First one-year ISS crew to launch Friday
The goal of the mission is to find out how the human body responds to a prolonged stay in space. Watch the launch, watch the arrival.
March 26, 2015
Mars rover finishes first-ever marathon on another world
On Tuesday, the Mars rover Opportunity completed a marathon - 26.2 miles (42.195 kilometers). Its finish time? Eleven years and 2 months.
March 26, 2015
Does wandering Jupiter account for our strange solar system?
Jupiter may have swept through the early solar system like a wrecking ball, destroying a first generation of inner planets before retreating into its current orbit.
March 24, 2015
Dwarf planet Ceres gets place names
First topographical map of Ceres with named quadrangles. Scientists announced the names at last week's Lunar and Planetary Science Conference.
March 24, 2015
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
