Astronomy The History of the New Year Winter Solstice Celebrations A Guide to Stargazing like a Pro Origins of the Summer Solstice & Midsummer’s Eve How Do We Know Black Holes Actually Exist? How was the Equinox Observed by Early People? What’s the Story behind April Fool’s Day? Solar Storm Update: Look Out for the Northern Lights! 8 Hidden Facts About Stonehenge Revealed Survey of Stonehenge: Settlements at the Sight of Prehistoric Cultural Capital Sunspot Cycle Caused by Planets Jupiter & Saturn Spot the Passing Comet Lovejoy (C/2014 Q2) Mysterium Cosmographicum by Johannes Kepler Library of Alexandria–Who was Hypatia?