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Mars closest to Earth on May 30
We passed between Mars and the sun 8 days ago, on May 22. Yet Mars is closest on May 30, 2016. Why?
May 30, 2016
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
Life ingredients in Rosetta’s comet
It's "the first unambiguous detection of glycine at a comet" and supports the theory that the building blocks for life came to Earth from outer space.
May 28, 2016
Is dark matter made of black holes?
What if if dark matter consisted of a population of black holes similar to those detected by LIGO last year? A new study analyzes this possibility.
May 28, 2016
Clues to birth of supermassive black holes
Astrophysicists have taken a major step forward in understanding how these monster black holes are born.
May 28, 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
Best close-up of Pluto’s surface
The most detailed view of Pluto’s terrain you’ll see for a very long time, taken by the New Horizons spacecraft as it flew past Pluto on July 14, 2015.
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
Solar storms key to life on Earth?
Energy from our young sun – 4 billion years ago - helped create molecules in Earth's atmosphere that allowed it to warm up enough to incubate life, says study.
May 25, 2016
