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Moon’s near side is its dark side
Believe it or not, the moon's near side is its dark side, thanks to a collection of low-lying lunar plains, solidified remnants of ancient seas of molten magma.
September 30, 2017
Space visionaries boost Pluto lander
At a NASA symposium this week, space scientists and engineers presented an exciting new concept for a lander that would explore Pluto by "hopping" across its surface.
September 29, 2017
Why don’t poison frogs poison themselves?
Scientists are a step closer to resolving this head-scratcher. And their findings have potential consequences for the fight against pain and addiction.
September 29, 2017
Night sky from sea caves
Two images of the Milky Way, taken on the same night from sea caves along the California coastline, hundreds of miles apart.
September 29, 2017
Did dino-killing asteroid speed bird evolution?
A study suggests the asteroid that wiped out the dinosaurs 66 million years ago increased the pace of evolution in birds, their only remaining descendants.
September 28, 2017
Is the Milky Way a normal galaxy?
Astronomers assume our Milky Way galaxy is typical. They use our knowledge of it to leapfrog out to understanding the rest of the universe. But is the Milky Way typical?
September 28, 2017
Black holes with ravenous appetites
Both Type I and Type II active galaxies have central, supermassive black holes, which consume the galaxies from within. But new work suggests the black holes in Type Is eat faster.
September 27, 2017
First quarter moon points to Saturn
The 1st quarter moon happens at the instant of east quadrature, when the moon is 90 degrees east of the sun. The September 27-28 1st quarter moon points to Saturn.
September 27, 2017
Passing spacecraft snaps Earth pics
OSIRIS-REx swept past Earth on September 22 and received a gravity boost toward its goal, asteroid Bennu, in 2018. It also acquired the images to make this stunning new Earth portrait.
September 26, 2017
