Saturn’s “Death Star”-like moon Mimas may have a boiling ocean under its icy shell. The moon pitted with craters—including a very large one, giving it its nickname—may appear to be geologically dead, ...

Scientists have started to see some of the expected effects of Earth's increasing carbon dioxide burden: The shells of microscopic animals in the ocean are becoming thinner thanks to the ocean's ...

They also don’t hear the blood going through their veins, although that is a popular misconception. What is it exactly that causes the roaring sound when the shell gets close to your ear? Children are ...