It meets at least three of the criteria above: its crust is between 10 and 30 kilometers ... than 5 million square kilometers (1.9 million square miles), does that count as a whole continent?

New research challenges the long-held belief of seven continents, suggesting North America and Europe might still be connected as one massive landmass. Striking similarities between Iceland and ...

If Iceland is part of a submerged continent, Earth’s continental map may need a dramatic update—potentially changing science textbooks forever. Where is Athena? A mysterious private moon ...