Likely evolved from land reptiles that dove into the ocean about 248 million years ago, the ichthyosaur extinction has stumped scientists for years.
Discovery of the world's oldest known snake reveals that it lived among dinosaurs, evolved from lizards, and had four tiny feet.
Super shark Megalodon has a new claim to fame: its teeth were largely comprised of ultra-strong fluoride.
'Jurassic Park' got it all wrong when depicting Velociraptor, suggests a newly identified, closely related dinosaur.
Throwable cameras, 3D-printed hearts and cars and maglev hoverboards right out of the 80s movie 'Back to the Future' round out this week's gallery.
Movies often depict dinosaurs as being greenish brown in color, but how do we know this? What color were dinosaurs, really?
Red blood cells and collagen fibers from bone are preserved in 75-million-year-old dinosaur bones.
For the first time a titanosaur track has been matched to an actual fossil hind foot of one of the world's last and largest dinosaurs.
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