Pythons can tolerate saltwater and freshwater and have been observed swimming in Florida Bay and Biscayne Bay.

As scientists question the rise in early colon cancer cases, a new study is offering some potential answers. Colored scanning electron micrograph (SEM) of a macrophage white blood cell (center) that ...

Firefighters are battling several wildfires ripping across Australia, Argentina and South Africa. NBC News' Raf Sanchez has ...