Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient connection between the planet Mars and blood wasn’t completely wrong. Rust, ...

New research indicates Dargan Shelter was occupied as early as the last Ice Age and repeatedly visited during this cold ...

As a glaciologist who thinks about ice a lot, rewatching the movie Frozen umpteen times with my six-year-old daughter ...