The moon is up tonight during the annual Geminid meteor shower. But there’s a dark window between moonset and dawn on the morning of Friday, December 13. Clouded out? December 14 might be even better!
Posts by EarthSky
You might see a lot or you might not see many, but if you stay in the house, you won’t see any.
December has two birthstones, turquoise and zircon.
December 10, 1851 is the birthday of Melvil Dewey, who invented the Dewey Decimal classification system used today in libraries around the world.
The Saturn hexagon is a unique six-sided jet stream, a current of air, around Saturn’s north pole.
Multi-layered lenticular cloud hovers near the Mount Discovery volcano in this photo taken from a NASA research flight over Antarctica.
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.
Increased carbon dioxide uptake by the oceans might be making fish anxious, a new study suggests.
Astronomers have spotted what appear to be two supermassive black holes 3.8 billion light-years from Earth, circling each other like dance partners.
The year’s shortest day comes at the winter solstice. But, for the Northern Hemisphere, the earliest sunsets are in early December.