A dog runs across a yard, chases a ball and collapses in the shade, panting happily. It is unmistakably alive, a coordinated ...

Scientists in England have gathered definitive evidence that a kind of cancer in dogs is contagious -- a peculiar exception to the age-old medical wisdom that you can't "catch" cancer. Although no ...

But, the study published in Science reveals, one close relative of these native dogs lives on in an unexpected place – as a transmissible cancer whose genome is that of the original dog in which it ...