Megalodon: What Really Killed the Largest Shark That Ever Lived
The Last Thylacine: The 1936 Footage That Ended a Species
the last known Thylacine froze to death on the concrete floor of an enclosure at Hobart Zoo in Tasmania. Her species had been protected by Australian law for fifty-nine days.
The Buzz-Saw Shark That Hid From Science For 113 Years
In 1899, a strange fossil confused scientists for more than a century. This is the story of Helicoprion, the spiral-toothed predator lost to time.