For a deep dive into orca behavior, "Expedition Killer Whale" packs stunning footage into a fascinating hour-long documentary, and we have all the details here on how to watch it. How to watch ...

Understanding human evolution through the study of whale evolution Brief definition and history of mammals How did land-based mammals return to the sea? Fossils from "transitional species" trace whale ...

Egyptian desert fossils reveal clues to the evolution of the biggest animals on Earth. A spectacular fossil graveyard reveals a 43-million-year-old whale that had four legs and could walk. Follow ...

For a deep dive into orca behavior, "Expedition Killer Whale" packs stunning footage into a fascinating hour-long documentary, and we have all the details here on how to watch it. After premiering in ...