Here is some specific information about the Smilodon cats in general, and further information in specifics regarding each species of known Smilodon that once was.
What makes the Cretaceous sea worse than any other in history is that there isn't just one predator to worry about, but a whole collection of them, including sharks, lightning fast killer fish and fearsome giant marine reptiles called mosasaurs.
The extinction of the dinosaurs marked the end of one era, but heralded the beginning of another. It only took the Earth a few million years to recover from the after effects of the asteroid impact, but it was a changed world. This hub profiles one small corner of that world, in a time called the Eocene...
Some scientists are trying to bring extinct animals back to life through a process called cloning. The idea is exciting but also controversial.
Discover 5 of the most terrifying prehistoric predators that lived in ice age North America during the time of the megafauna.
65 million years ago, a massive asteroid crashed into the Earth. It wiped out 70 per cent of all life, including the most successful, the dinosaurs. But what if the asteroid had missed? What would the world be like today, if the dinosaurs had survived...
Which prehistoric monster ruled the ancient sea, the Megalodon shark or Livyatan (Leviathan) Melvillei, the massive predatory whale?
Dinosaurs get all the glory. Their appeal often overshadows other species that existed with them. Non-dinosaur fossils reveal rare glimpses into reptiles, birds and mammals when T. Rex ruled.
Biologists were shocked when a strange prehistoric animal was found alive in 1938. The Coelacanth was presumed extinct for 65 million years.
The history of life series moves on to the period where not only complex lifeforms evolved, but came to take over the world. But they didn't have everything their own way, the Paleozoic era bore witness to natural disasters that make our problems seem minute...
The debate is hardly over yet, but the scales-versus-feathers controversy just gets more and more interesting. Which dinosaurs certainly had feathers, and which dinosaurs might have?