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Setting supermoon
Every full moon sets around dawn. Watch how much how much the sky brightened in the 3 minutes it took for the moon to disappear.
October 19, 2016
What did dinosaurs sound like?
The discovery of the fossil vocal organ of an ancient Antarctic bird suggests that dinosaurs couldn't sing, but maybe honked.
October 18, 2016
Moon occults Aldebaran October 18-19, 2016
From much of the US, Mexico, Caribbean, Central America and southeast Canada, Aldebaran will disappear behind the moon's lit side and reappear on its dark side.
October 18, 2016
Animation: Schiaparelli’s descent to Mars
Computer-generated animation of the descent of the Schiaparelli lander to the surface of Mars. Real one will happen this Wednesday, October 19.
October 17, 2016
Is asteroid 2016 HO3 a second moon?
No, it orbits the sun. But its orbit keeps it as a constant companion of Earth, and it'll remain so for centuries to come.
October 17, 2016
The sound of climate change
Two scientists have set the CO2 record at Mauna Loa - world’s longest-running measure of atmospheric carbon dioxide - to music.
October 17, 2016
The ghost of Loulouda
Manolis Thravalos caught this Brocken Spectre recently while mountain-climbing in Greece, near a medieval castle. A chilling experience, he said. Here's why.
October 17, 2016
Asgardia, the nation state of space
Russian businessman Igor Ashurbeyli believes that an orbiting space station has the potential to become a sovereign nation in space.
October 16, 2016
See it! Super Hunter’s Moon 2016
Many captured the full Hunter's Moon last night. It was also the 1st of 3 supermoons in 2016. Thanks to all who contributed!
October 16, 2016
China joins search for alien life
China's big new radio telescope - now the largest of its type in the world - will join Breakthrough Listen experiments in the U.S. and Australia in seeking extraterrestrial signals.
October 15, 2016
