The concepts of continents have confused people from their very beginning. Today I try to see if I can do any better at ...

People my age grew up with a map of the world that had been created by Flemish cartographer Gerardus Mercator in 1569. But in ...

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...

Facebook and Instagram parent company Meta has said it will lay an undersea cable stretching across five continents to carry ...