Summer solstice: 10,000 watch sunrise at England’s famous Stonehenge.
22 Jun 2019 11:44 AM
For over a century, researchers have proposed different methods used by the ancient Egyptians to align the pyramids.
20 Feb 2018 5:59 PM
Greek astronomer and mathematician unravels the mystery of how an ancient Greek astronomer got the size of the Earth nearly right.
16 Apr 2017 6:42 AM