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Scientific Cliffhangers: Size Mattered to Sauropods

Related Article: Learn more about dinosaurs.

Most sauropods lived in harsh, arid conditions; being larger slowed their metabolism, giving them an advantage. Suuwassea lived in humid, plant-rich environments where a smaller size was more advantageous.
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Zeresenay Alemseged on Fossils

Zeresenay Alemseged on Fossils (17:48)

Watch this video showing paleoanthropologist Zeresenay Alemseged talk at TED about fossils and the key to humanity on HowStuffWorks. Africa is home to the beginning of the human world and Alemseged explains that we need to better understand our past... More »

Mammoth Fossils Found Thanks to Global Warming

Mammoth Fossils Found Thanks to Global Warming (2:40)

Watch this video about a Russian farmer who found a wealth of mammoth fossils thanks to global warming on HowStuffWorks. The melting ice and snow allowed this farmer to unearth fossils of mammoths, sabre tooth cats and other pre-historic animals.... More »

Tiktaalik: Fish out of Water

Tiktaalik: Fish out of Water (1:43)

Watch this video about paleontologists discussing the first fish that walked out of the ocean on HowStuffWorks. Paleontologist Neil Shubin discusses his newly discovered species, Tiktaalik roseae, that fills in the evolutionary gap between fish and... More »

Long Ago, in the Chesapeake Bay

Long Ago, in the Chesapeake Bay (1:58)

The ancient Megalodon shark is believed to be one of many creatures that once lived in the Chesapeake Bay.

Discovering Plate Tectonics: The Brachiosaurus Mystery

Discovering Plate Tectonics: The Brachiosaurus Mystery (3:01)

It is not known how much time the Brachiosaurus spent in the water. The fossil remains that have been found provide contradictory evidence.

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100 Greatest Discoveries: Dinosaur Discovery

100 Greatest Discoveries: Dinosaur Discovery (2:06)

The discovery of dinosaur fossils changed science forever. Learn what fossils tell scientists about the extinction of the dinosaurs on the Science Channel's "100 Greatest Discoveries."

Mammals vs Dinos: Feathered Descendants of T Rex

Mammals vs Dinos: Feathered Descendants of T Rex (1:34)

Studies reveal that the Tyrannosaurus Rex was a descendant of a feathered dinosaur called Dilong. Learn more on the Science Channel's "Mammals vs. Dinos."

Mammals vs. Dinos: Tyrannosaurus Rex

Mammals vs. Dinos: Tyrannosaurus Rex (1:09)

On the Science Channel's "Mammals vs. Dinos," evidence suggests that the Tyrannosaurus Rex lived as a family unit, caring for their young and living cooperatively.

Mammals vs Dinos: Tyrannosaurus Rex's Bite

Mammals vs Dinos: Tyrannosaurus Rex's Bite (3:00)

On the Science Channel's "Mammals vs. Dinos," an alligator's bite force is measured and compared to a Tyrannosaurus Rex's bite marks.

Mammals vs Dinos: Triassic Evolution

Mammals vs Dinos: Triassic Evolution (2:25)

Before the arrival of mammals and dinosaurs, reptiles and amphibians dominated the landscape. But due to climate changes during the Triassic period, mammals and dinosaurs began to flourish. Learn more on the Science Channel's "Mammals vs Dinos."

Mammals vs Dinos: The First Flowering Plants

Mammals vs Dinos: The First Flowering Plants (1:58)

Fossils in Liaoning, China reveal Archaefructus, the first flowering plant or angiosperm. Learn how the appearance of flowering plants greatly influenced mammalian evolution on the Science Channel's "Mammals vs. Dinos."

Mammals vs Dinos: The First Birds

Mammals vs Dinos: The First Birds (1:16)

During the early Cretaceous period, dinosaurs made a huge evolutionary leap as they developed feathers and the ability to fly. Learn more about the first birds on the Science Channel's "Mammals vs Dinos."

Mammals vs Dinos: T Rex Hunting Packs

Mammals vs Dinos: T Rex Hunting Packs (2:23)

On the Science Channel's "Mammals vs. Dinos," watch as a Tyrannosaurus Rex pack hunt cooperatively. The adolescent T Rex chase their prey leading them to an ambush, where the adult T Rex can make the kill. Food is supplied to the entire group.

Mammals vs Dinos: Supersaurus Lifespan

Mammals vs Dinos: Supersaurus Lifespan (1:26)

On the Science Channel's "Mammals vs. Dinos," meet Supersaurus, one of the largest dinosaurs of the Jurassic period. Supersaurus was an herbivore which scientists believe could have had a lifespan of as great as 100 years.

Mammals vs Dinos: Supersaurus Bones

Mammals vs Dinos: Supersaurus Bones (2:39)

On the Science Channel's, "Mammals vs. Dinos," Supersaurus bones are dissected for clues about its gigantic size. Supersaurus bones contain hollow spaces that made up part of its respiratory system, which enabled oxygen flow and increased surface... More »