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Milky Way over a frozen pond
The Milky Way rising over a frozen pond in Halibut Point State Park, Rockport, Massachusetts.
February 20, 2016
Record number of NASA astronaut applications
More than 18,300 people applied to join NASA’s 2017 astronaut class - almost three times the number received in 2012.
February 19, 2016
Is ‘Planet 9’ a second Kuiper Belt?
Is there a 9th planet - a super-Earth - as yet undiscovered in our solar system? Researchers present an alternative view, not a planet, but many small objects.
February 19, 2016
Moon halo with aurora
It's wonderful to see a halo around the moon - and also an aurora - but how about seeing the two together? Matt Skinner captured the view.
February 19, 2016
Moon, Castor and Pollux on February 19
Castor and Pollux - 2 brightest stars in Gemini - were portrayed as twins in sky mythology. They are noticeable for being bright and close together.
February 19, 2016
Plastics in ocean harm oysters
Ground-breaking data on a negative effect on oysters from microplastics, which enter our oceans via cosmetics, clothing, and industrial processes.
February 18, 2016
Giant flightless bird roamed Arctic 50 million years ago
A bird bigger than Big Bird wandered through the winter twilight of the high Arctic some 53 million years ago.
February 18, 2016
The Blob is dead, scientists declare
The giant patch of warm water in the northern Pacific - nicknamed The Blob - has finally broken up. Compare images from this year and last.
February 17, 2016
New chick for oldest known wild bird Wisdom
Wisdom, a Laysan albatross, is at least 65 years old. Her latest chick hatched at the Midway Atoll National Wildlife Refuge on February 1.
February 17, 2016
Aurora over Reykjavik, Iceland
"Blew my mind," said Australian photographer Padraic Koen.
February 17, 2016
