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Have we seen the last of Comet ISON?
Comet ISON is now thought to be a traveling debris field, with no solid nucleus or core. Will we see the debris field from Earth? No one knows yet.
December 6, 2013
Best view of Saturn hexagon
The Saturn hexagon is a unique six-sided jet stream, a current of air, around Saturn's north pole.
December 6, 2013
Humans aren’t top predators, says new report
Despite a global increase in meat consumption, humans are far from the top of the food chain.
December 6, 2013
The intricate flow of Comet Lovejoy’s tail
Astronomers used the Subaru Telescope to capture this image of Comet Lovejoy's tail on December 3, 2013. This comet is now visible in earthly skies.
December 6, 2013
Astronomers discover planet that shouldn’t be there
The discovery of a giant planet orbiting its star at 650 times the average Earth-sun distance has astronomers puzzled over how such a strange system came to be.
December 5, 2013
One result of rising ocean acidification: Anxious fish
Increased carbon dioxide uptake by the oceans might be making fish anxious, a new study suggests.
December 5, 2013
Last night’s moon with Venus
People around the world saw the moon and Venus last night. They'll be even closer tonight!
December 5, 2013
Two supermassive black holes in death spiral
Astronomers have spotted what appear to be two supermassive black holes 3.8 billion light-years from Earth, circling each other like dance partners.
December 5, 2013
Major cold, snow, and even ice for a large part of the U.S.
Snow and a significant ice event is likely all the way from parts of North Texas into the Great Lakes and U.S. Northeast over the next several days.
December 4, 2013
