From the largest known sauropods ever discovered ... but based on large land animals living today, titanosaurs lived possibly 60 or more years. Titanosaurs' rapid growth rates were also powered ...

Whales are the largest animals to ever exist on this Earth ... Millions of years ago they used to be land dwellers. Here is how whales ended up becoming the biggest of them all.

Sea reptiles the size of whales swam off the English coast while dinosaurs walked the land, according to a new ... The creature would have been one of the largest ever known, behind only blue ...

This begs the question: What is the largest animal ever on the fossil record and is ... Whales evolved from four-legged land animals; their hind limbs disappeared, while their forelimbs evolved ...

The modern blue whale has long been considered the largest and heaviest animal ever, beating out all the ... but their early ancestors lived on land, some resembling small deer.

A ginormous and deadly funnel-web spider has been handed in to a reptile park in Australia, where staff said it was the largest of its kind they’d ever seen. Fittingly named Hemsworth ...