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While trying to solve the mystery of the planets’ motions, Johannes Kepler made several false starts, then ultimately discovered 3 profound truths.
Like dogs? Celebrate Christmas? Don’t miss this classic video Christmas greeting from Bailey the unknown reindeer.
Was there really a star that led the 3 wise men to Bethlehem?
Stonehenge is carefully aligned on a sight-line that points to the winter solstice sunset, but, this year as in most recent years, the revelry began before sunrise.
Check out one of the world’s most famous early photos. It shows the Wright brothers and the 1st true airplane on December 17, 1903.
Are you dreaming of a white Christmas? Here’s the historic probability for one, in the U.S.
Large-scale forest fires started by prehistoric hunter-gatherers are probably the reason Europe is not more densely forested, says a new study.
Tycho Brahe is known for his partying, his prosthetic nose, and for being one of the greatest astronomers of all time.
Eric Verlinde’s new theory of gravity – an alternative to Einstein’s theory – eliminates the need for dark matter. To test it, astronomers measured gravity around 33,000 galaxies.
New research finds that small regions of your brain cycle in and out of sleep, even when you’re awake.
Spot elusive Mercury before dawn