Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for ...

Located in the middle of the South Pacific, thousands of miles from the nearest continent, Easter Island (Rapa Nui) is one of ...

Campbell’s executive says products are for poor people, mocks Indians, lawsuit claims ...

Mexico's Yucatán Peninsula hides Sistema Ox Bel Ha, the world's longest explored underwater cave system, stretching over 524 ...