The diplodocus is often remembered for its immense size, but new evidence suggests its tail could move at staggering speeds.
The University of Arizona Wild Cat Research and Conservation Center says it's the fifth big cat over the last 15 years to be ...
Unlike other giant species, which reached their peak size during the Miocene before dying out and getting replaced by smaller ...
Motion-activated trail cameras in southeastern Arizona captured pictures last month of a new, never-before-seen jaguar, according to the University of Arizona Wild Cat Research and Conservation Center ...
Fossils reveal that anacondas evolved their impressive size early in their history and maintained it for more than 12 million years.
Scientists have uncovered evidence of a colossal shark that lived off northern Australia about 115 million years ago, ...
Learn how anacondas are defying expectations of reptile experts by keeping their ancient body size despite drastic ...
Fifty formerly captive Aldabra giant tortoises have been released onto an exclusive private island in the Seychelles. The ...