Monday, Mar 27, 2023 | Last Update : 03:48 PM IST

summer solstice

Thousands watch summer solstice from Stonehenge

Summer solstice: 10,000 watch sunrise at England’s famous Stonehenge.

22 Jun 2019 11:44 AM

Secret behind perfect alignment of Egypt's Pyramids decoded

For over a century, researchers have proposed different methods used by the ancient Egyptians to align the pyramids.

20 Feb 2018 5:59 PM

Geosphere: Measuring the size of Earth

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