In most Ancient Greek philosophical circles, the theory of a spherical earth was accepted by around the 5th century BC, and ...

Science teachers in a summer physics class at Southeast Missouri State University relied on shadows Thursday to calculate the Earth's circumference during the summer solstice, the longest day of the ...

Lines of latitude are imaginary horizontal lines that circle the Earth, helping measure how far north or south a location is ...

It's possible to measure the distance on Google Earth between two or more points. Here's how to do it.

Off the coast of southeastern Mexico, an ocean giant was fitted with a satellite tag for a “record-breaking” tracking study. James Beheshti via Unsplash Whale sharks are the world’s largest fish, and ...