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Supernova erupts in M66
M66 is a galaxy 36 million light-years away in the direction to our constellation Leo. A star exploded there 36 million years ago ... and came into view in Earth's sky this weekend.
May 30, 2016
Saturn’s south polar vortex
A monstrous vortex sits at Saturn's south pole. It's not just beautiful. It also lets astronomers peer deep into Saturn's dense atmosphere.
May 28, 2016
Cloud-free Africa
The European Space Agency used 7,000 satellite images - acquired from late 2015 through early 2016 - to make this mosaic of Africa.
May 27, 2016
Spacecraft spies Saturn, Mars, Earth
Maybe you've seen Saturn and Mars close together in the sky recently? NASA's Stereo-A probe caught Saturn and Mars … with Earth in between.
May 26, 2016
Sunrays seen from Chile
Crepuscular rays, sometimes called sunrays, above the famous volcano Licancabur on the border between Chile and Bolivia.
May 25, 2016
Hubble spies a comet’s rotating jet
In March, Comet 252P/LINEAR passed exceedingly near the Earth. These images show the closest celestial object Hubble has observed, other than Earth's moon.
May 24, 2016
Mars oppositions 2010 – 2022
Here's why 2016 is an awesome year for Mars, and why 2018 will be even better.
May 22, 2016
New Hubble image of Mars
New Hubble Space Telescope image of Mars, in honor of the planet's May 22 opposition, when our planet Earth will sweep between the Red Planet and the sun.
May 21, 2016
Milky Way over the Outer Banks
Jeff Berkes captured this image earlier this month, during a night sky photography workshop.
May 18, 2016
Moon halo, stars, planet over Chile
Haloes around the moon happen when moonlight shines through tiny ice crystals in the upper air. Here's a moon halo, with bright stars and Jupiter nearby.
May 16, 2016
