Uncoverred

For the first time, scientists have discovered an Earth-size alien planet in the habitable zone of its host sta…

You may have heard it before: billions of years ago Mars probably looked more like Earth does now, with clouds and…

Heliocentrism , or heliocentricism , is the astronomical model in which the Earth and planets revolve around a relative…

The Rosetta Stone. The Rosetta Stone is a fragment of a stela, a free-standing stone in…

Buried a thousand feet (300 meters) below Naica mountain in the Chihuahuan Desert, the cave was discovered by two …