Jupiter and Saturn fashion the Great Conjunction of 2020 when they pair up on December 21st, the winter solstice. That evening they'll be closest in nearly 400 years.
To give readers encouragement during difficult times, here are six moments in history when astronomers found themselves locked down with nowhere to go.
An amateur astronomer thought he had found the true identity of a mystery object identified — and then lost — in 1971.
New interpretations of oral accounts by Aboriginal Australians show that they included references to the variability of red giants Antares, Betelgeuse, and Aldebaran.
In case you haven't heard, there's a rumor going around that the world will end on December 21, 2012. Did the Mayans really predict the world would end then? Is the astronomy for real? Do we have anything to worry about? Not surprisingly, the answers are "no," "no," and "of course not."