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Fossil records indicate that vertebrates adapted to land and air before exploring the deep sea, raising questions about their delayed aquatic evolution.
This episode discusses why Venus spins backwards and its unique characteristics.
Anna Lund was struck at least 65 times before being shot, with the gunshot wounds concealed by the brutal beating to mislead investigators.
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.
The 2020s are marked by a renewed competition in space exploration, driven by private companies like SpaceX and Blue Origin, alongside national efforts from NASA and ESA.
3D printing technology has evolved significantly since 2014, expanding from rapid prototyping to applications in housing, automotive design, and medical prosthetics.
A child born in central London on February 10 is identified as an Aquarius, but astrology is flawed.
In Antarctica, hosts Caitlin Saks and Arlo Pérez navigate extreme conditions at McMurdo Station while studying Adélie penguins and their role as climate change indicators.
Thrinaxodon and Broomistega, two prehistoric species, were found entombed together in a burrow, revealing insights into their survival behaviors during the Early Triassic.
Omani herders in Jebel Akhdar maintain a sustainable ecosystem by integrating livestock, agriculture, and ancient knowledge to thrive in harsh desert conditions.
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.
This video showcases Frank White's Overview Effect experienced by astronauts in Space.
Ancient retroviruses have left a lasting imprint on modern mammal DNA, revealing evidence of a pandemic that spanned over 15 million years.
Aurélien Brulé, known as Chanee, dedicates his life to protecting endangered gibbons and other wildlife in Borneo's Kalaweit reserve.
Marine reptiles, including sea turtles, marine iguanas, and sea snakes, exhibit unique adaptations for survival in ocean environments.
In Phoenix, Arizona, a mass UFO sighting in 1997 captivated thousands of witnesses, raising questions about the nature of these unexplained phenomena.
The pine processionary caterpillar devastates forests in Northern Europe and the Landes region.
In 1872, the HMS Challenger embarked on a groundbreaking three-year expedition that resulted in the collection of data on ocean life and the discovery of 4,700 new species.
The Arctic, an ocean surrounded by continents, contrasts sharply with Antarctica, a continent encircled by oceans, highlighting their unique climates and ecosystems.
Honeybee colonies exhibit complex decision-making processes that reflect democratic principles, as explored through research by scientists like Thomas Seeley.
Nobel Laureate Daniel McFadden and Nat Geo explorer Jared Diamond examine human decision-making and its implications for the survival of the species.
James Balog's Extreme Ice Survey employs time-lapse photography to provide compelling evidence of the rapid disappearance of glaciers worldwide.
On September 19, 1783, a hot-air balloon carrying animals ascended from Versailles, marking a significant moment in the history of human flight.
San Diego's wildlife preservation efforts highlight the management of apex predators like Komodo dragons and endangered species such as Fiji iguanas.
In a groundbreaking initiative, service dogs are trained to assist individuals with mental health challenges, showcasing their impact on emotional well-being.
Young astronauts train in a secret facility using The Quantum Guide for future space colonization.
Jarl Quarkson, a trainee space colonist, faces a challenging assignment from instructor Cerin Higami that reshapes his understanding of the cosmos and humanity's future.
A team of engineers is designing an innovative submersible to explore the largely uncharted depths of the ocean, where over 80 percent remains unexplored.
In 1964, paleontologist John Ostrom's discovery of fossils in Montana catalyzed the Dinosaur Renaissance, reshaping scientific understanding of dinosaurs.
In Xuan Thuy, Northern Vietnam, biologist Truong Quang Nguyen studies the unique biodiversity of mangroves, including the rare aquatic snake Ran Bong.
The extinction of the dodo bird, a unique species that evolved on the island of Mauritius, raises questions about human responsibility and environmental impact.
CRISPR gene-editing technology, exemplified by the case of a bull calf named Cosmo, raises ethical questions about its potential to eliminate diseases and create designer babies.
A single bay in the Indian Ocean may contain twice as many marine species as the entire Caribbean.
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.
A crew of astronauts prepares for the 134th flight of the space shuttle Endeavor, carrying the Alpha Magnetic Spectrometer to study antimatter.
Bone-crushing dogs, a diverse subfamily that roamed North America for over thirty million years, faced extinction due to environmental changes and competition.
Paraceratherium, an enormous mammal that evolved from smaller rhino ancestors, represents one of the largest land mammals known to science.
Human evolution has been significantly shaped by the diverse and sometimes hazardous dietary choices made by our ancestors, as evidenced by the fossil record.
Research on canine domestication reveals how evolutionary changes in wolves have shaped human affection for dogs, highlighting their unique bond with people.
Alligators can sprint at 35 mph and rarely get infections, prompting scientists to study their blood for potential antibacterial applications.
Renowned neuroscientist Richard Davidson collaborates with the Dalai Lama to explore how mindfulness, meditation, and kindness can enhance human well-being through scientific research.
Renowned neuroscientist Richard Davidson, in collaboration with the Dalai Lama, explores how mindfulness and meditation can enhance resilience, positive outlook, attention, and generosity for improved well-being.
Bonnybridge, Scotland, is a UFO hotspot with sightings of howling crafts and cigar-shaped vehicles.
Bubbles in champagne can eject tiny jets of liquid up to several centimeters above the surface when they collapse.
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.
