The Giants exhibition at the National Museum of Scotland displays some of the megafauna that once inhabited the Earth. Here, I highlight two marine species: Livyatan, an ancient sperm whale, and Megalodon, the biggest shark that ever lived.

Scientists have found that Titanichthys, a 380 million year old armoured fish, used a feeding strategy similar to a modern basking shark.

A breakdown of all the news and breakthroughs in marine science from September. This month we have whales, corals, megalodon, and more.