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634 films(Page 11 of 14)
Beardogs, a unique group of prehistoric mammals with both bear-like and dog-like features, are essential for understanding the evolution of the mammal family tree.
Human DNA contains thousands of inactive genes that reveal insights into evolutionary history, highlighting the significance of both gained and lost genetic traits.
Recent scientific findings reveal that all modern big cat species evolved less than 11 million years ago, with new clues pointing to their ancient origins in the Himalayas.
Najash, an ancient snake with legs that lived 90 million years ago, raises questions about the evolutionary origins of snakes and their limb development.
Entelodonts, often referred to as "hell pigs," exhibit a unique combination of anatomical features resembling both pigs and larger mammals like rhinos and bison.
Oceanic islands, comprising a sixth of Earth's land, host unique ecosystems shaped by volcanic activity and tectonic forces, as seen in locations like Hawaii and the Maldives.
Throughout the Pleistocene Epoch, the woolly rhino's range fluctuated in response to climate cycles, highlighting the interconnectedness of species and environmental changes.
Horseshoe crabs, an ancient species over 450 million years old, are explored in their natural habitat by award-winning photographer Laurent Ballesta.
Graptolites reveal significant changes in ocean conditions during the Silurian period, highlighting periods of toxicity and subsequent ecological recovery.
As fossil evidence expands, the genus Homo increasingly includes diverse hominins, prompting exploration of what it means to be human.
Humans exhibit complex biological systems that influence behavior, health, and evolution, highlighting the intricate interplay of genetics and environment.
An ancient line between two Indonesian islands represents a complex interplay of cultural and geographical boundaries that shape local identities and interactions.
In the late Miocene epoch, an island in the Mediterranean Sea was home to extraordinary giant species, illustrating the unique effects of natural selection.
Mammoth fossils found on California's Channel Islands reveal a unique, smaller species that evolved due to isolation and environmental factors.
Wrangel Island's mammoths, the last of their kind, faced a mutational meltdown in their final years after millions of years of thriving across the globe.
At the Solnhofen formation in Germany, over 500 fossils of 15 pterosaur species reveal complexities that challenge existing interpretations of their ecosystem.
In Borneo, a unique lake hosts over one million jellyfish that have evolved to photosynthesize using algae, ensuring a constant food supply.
Anoles from Cuba, Hispaniola, Jamaica, and Puerto Rico exhibit ecomorphism, prompting scientists to investigate their evolutionary history through physical and DNA tests.
Scientists reach back into the 60-million-year history of anoles to understand their diversity.
Anole researchers favor Caribbean islands for unique outdoor experiments on evolution and ecology.
The concept of a Missing Link in human evolution is examined, revealing that evolutionary processes do not support the existence of such a specimen.
Woods Hole Oceanographic Institution's research reveals significant findings about deep-sea ecosystems and their role in global biodiversity.
Conodont fossils, once a mystery to paleontologists, are revealed to be crucial for understanding geological time and the evolution of early vertebrates.
Thoatherium, a prehistoric relative of modern horses, thrived in an ecosystem that would not emerge for another 12 million years, raising questions about its adaptation.
In Messel, Germany, miners extracting oil in the 1800s uncovered exceptionally preserved Eocene fossils, raising questions about the conditions that led to their preservation.
Therizinosaurs, with their unique anatomy and evolutionary history, exemplify the bizarre adaptations that occurred among dinosaurs during the Mesozoic era.
Fossil records indicate that vertebrates adapted to land and air before exploring the deep sea, raising questions about their delayed aquatic evolution.
Shanidar IV, a Neandertal burial site in Iraq, provides insights into the social and cultural practices of early humans regarding death and community.
Neandertals, once viewed as primitive beings, are shown to have exhibited complex behaviors and emotions, particularly through findings at Shanidar Cave in Iraq.
Thrinaxodon and Broomistega, two prehistoric species, were found entombed together in a burrow, revealing insights into their survival behaviors during the Early Triassic.
La Brea Woman, the only human excavated from the La Brea Tar Pits in Los Angeles, raises questions about her origins and the circumstances of her burial.
Fossils from around the world indicate that multi-cellular life was more complex and diverse before the Cambrian Explosion than previously understood.
Ancient retroviruses have left a lasting imprint on modern mammal DNA, revealing evidence of a pandemic that spanned over 15 million years.
Nobel Laureate Daniel McFadden and Nat Geo explorer Jared Diamond examine human decision-making and its implications for the survival of the species.
In 1964, paleontologist John Ostrom's discovery of fossils in Montana catalyzed the Dinosaur Renaissance, reshaping scientific understanding of dinosaurs.
The extinction of the dodo bird, a unique species that evolved on the island of Mauritius, raises questions about human responsibility and environmental impact.
Hell ants, an ancient predatory species with distinctive scythe-like jaws and horns, are examined for their evolutionary significance and extinction.
Giant skin-shelled sea turtles, distinct from modern leatherbacks, showcase evolutionary traits that have persisted through time, as explored by PBS Digital Studios.
Paraceratherium, an enormous mammal that evolved from smaller rhino ancestors, represents one of the largest land mammals known to science.
Research on canine domestication reveals how evolutionary changes in wolves have shaped human affection for dogs, highlighting their unique bond with people.
In 1977, a farmer in the Andes mountains discovered a giant fossilized skeleton, raising questions about how a marine reptile ended up at such a high altitude.
More than 4 billion years ago, life emerged on Earth despite extreme conditions, as revealed by research into early microbial existence.
About 5,700 years ago, a herd of woolly mammoths roamed a treeless tundra on St. Paul Island, Alaska, marking one of the last chapters of their existence.
In Tanzania's Laetoli region, ancient hominin footprints provide crucial insights into early human bipedalism and the evolution of walking.
Smilodon, a formidable Ice Age predator with 18-centimeter-long fangs, represents the culmination of a long evolutionary trend among sabertooth cats.
Lark Quarry in Australia serves as a key site for paleoichnology, where experts analyze trace fossils to reconstruct a dinosaur stampede that occurred nearly 100,000 years ago.
Lizards exhibit remarkable adaptations that enable them to thrive in diverse environments around the world, showcasing their unique evolutionary traits.
An enormous ichthyosaur, comparable in size to a modern sperm whale, evolved rapidly within a few million years, highlighting significant evolutionary changes.
