Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Greenland shark ...
If you didn't know that Greenland plays international football, now you do. It's that huge swathe of land sandwiched between North America and Europe, lying mostly inside the Arctic Circle.
This week, learn why Greenland sharks can live for centuries, discover when Neanderthals and humans met, see the most volcanic world in our solar system, and more.