Usually, when someone gives you the hairy eyeball, it's just a figure of speech, but this tumor proves the term is sometimes literal.

One of the most difficult forms of cancer to cure is a type of leukemia known as chronic myelogenous leukemia. While current treatments can keep it at bay, the cancer's drug-resistant stem cells mean a relapse is potentially always imminent.

The naked mole-rat lives for thirty years - compared to 1-2 years for other rodents - and we've never found any evidence that it can get cancer. Now we're peeking inside its genome to figure out what makes it special.

Cancer is one of the most difficult foes medical science has ever faced, but a controversial new idea might just show a way to victory. A group of scientists have evidence that cancer might be an evolutionary throwback to our most distant animal ancestor.