We've all seen magnificent images of Earth from space, some photographed by astronauts and others collected by orbiting satellites. So why doesn't our planet seem round when we stand in a park or ...

In Greece, a similar belief was mentioned by Odyssey author Homer and poet Hesiod, who described Earth as a flat round disc encircled by an ocean. But around 330 BC, Greek philosophers started ...

The terrific astronomical trio of Copernicus, Isaac Newton and Galileo explain how they each came to their universal scientific conclusions (including that the Earth goes round the Sun ...

Meta (formerly Facebook) plans to build the world's longest undersea cable that will be longer than the Earth is round. The high-capacity, fiber-optic cable that will link five continents will ...