Learn how we know the Earth is round, and the science behind the shape of our gravitational field.

A March 9 Facebook post (direct link, archive link) features an image of the Earth taken from outer space. “The first ‘photo’ of the curvature was published on April Fools Day,” reads the text in the ...

We all know the Earth is round. Not perfectly so but close enough. We live on an oblate spheroid, a slightly squashed sphere that's wider at the equator than around the poles. The difference between ...

A Dec. 5 Instagram post (direct link, archive link) shows a TikTok in which a man reads and shows screenshots from various NASA reports that reference a "flat, non-rotating earth" model. "NASA ...

The first images showing the curvature of Earth from space were not captured on April Fool’s Day in 1960. Some people are sharing this false claim online with the wider idea that it discredits ...

Traveling can be boring sometimes. What happens when I get bored? I look for interesting problems and calculations. Above you can see the airport terminal inside the Atlanta airport. If you happen to ...

From any one location on the surface of the Earth, it's impossible to tell what our planet's shape is. Having a single vantage point, even with a clear horizon, allows you to see a handful of miles ...

Spoiler alert: The Earth is not flat. That said, the topic is certainly a fresh one for Twitter beef. Scientists have recognized the curvature of the Earth for more than 2,000 years. But rapper B.o.B.