Earth's shape can be tested in surprisingly simple ways without relying on space photographs. The strongest part of the ...

Add Yahoo as a preferred source to see more of our stories on Google. This 2014 image of a tropical storm from the International Space Station clearly shows Earth's curvature. NOAA/Getty Images An ...

"The Earth is actually flat, and the idea that it's round is a lie."This is the so-called Flat Earth theory. It may sound ...

One of the most exciting questions, particularly when we are discovering that our planet is a ball, is, ‘Why don’t people on the bottom of the Earth fall off?’ Of course, it is a natural question to ...

Members of the Flat Earth Society claim to believe the Earth is flat despite scientists explaining how we know the Earth is round since the third century B.C.

Aristotle, working in Athens in the 4th century B.C., discovered that the world is round. Aristotle first discovered that during solar eclipses, Earth’s shadow always appeared on the Moon’s surface as ...

In 1881, English writer Samuel Rowbotham published Zetetic Astronomy: Earth Not a Globe – a 430-page book in which he affirmed that Earth is flat. A hundred and thirty years later, despite all the ...

I don’t know about you, but when I was a kid in school, I learned that folks in the 17th and 18th centuries thought the world was flat and that explorers ...

Christopher Columbus is celebrated in statues around the United States, including this one in Providence, Rhode Island. But despite what many American children are taught in school, his voyage did not ...

"Sometimes you're wrong in life," one of the Flat Earthers said after witnessing 24 hours of sunshine in Antarctica. But some still aren't convinced. America has been absolutely awash in conspiracy ...