Lorayne Meltzer has lived along the Gulf of California for 30 years. As an ecologist and director of a binational field ...

The giant crocodiles that fed on large dinosaurs that strayed into Cretaceous wetlands were not closely related to modern ...

Giant kangaroos stayed local, and rapid climate change gradually destroyed their lush rainforest home, leading to extinction.

Large kangaroos today roam long distances across the outback, often surviving droughts by moving in mobs to find new food ...

Imagine stepping onto the icy shores of ancient Antarctica—not to see today’s tuxedoed, knee-high Emperor penguins, but to ...

Giant prehistoric kangaroos perished when “climate upheaval” turned lush Australian rainforest into desert, scientists said yesterday after ...

Headlines across the internet would have you believe dire wolves — a species that went extinct 13,000 years ago, not to be confused with the fantasy creatures ...

A new study indicates the giant reptile Deinosuchus is not a close relative of modern alligators, as scientists previously ...

Four adorable western Santa Cruz Galápagos tortoise babies are now on display at Philadelphia Zoo after their 100-year-old 'Mommy' reproduced for the first time.

Four adorable western Santa Cruz Galápagos tortoise babies are now on display at Philadelphia Zoo after their 100-year-old 'Mommy' reproduced for the first time.

Researchers may have discovered Mississippi's largest ever mosasaur after pulling a Cretaceous-aged fossil out of a riverbed ...

An international team of paleontologists, geologists, geoscientists and Earth scientists has found evidence that a type of ...