Sure, our observations of the solar system only really fit if the planet is round, and even eclipses only make sense if the Earth were a sphere. But again, none of that means anything if you can't ...

The Earth is round, everyone (ok, well, not everyone, but almost everyone) knows that. In day-to-day conversation, it is ...

A look at the evidence for the Earth being round or spherical. Aristotle’s reasoning is explained. The evidence includes a ship’s hull disappearing first over the horizon, the stars ...

This was a magical revelation for the Greeks and the Egyptians, who were able to see from the motions of the stars and the way the Sun ...

From the first picture proving that Earth was indeed spherical, to the first color image clicked from the lunar surface, ...

A look at the evidence for the Earth being round or spherical. Aristotle’s reasoning is explained. The evidence includes a ship’s hull disappearing first over the horizon, the stars ...