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The Marianas Trench, the deepest subduction zone in the world, has not caused a devastating earthquake since records began in the 17th century.
Over 600 million years ago, Earth experienced two significant glaciation events known as Snowball Earth, which left evidence of ice coverage on every continent.
By the year 2100, the range for valley fever fungus is predicted to expand as far as Kansas and North Dakota due to climate change.
New York City's water supply system treats between 900 million and 1 billion gallons of water daily for over 8.5 million residents.
Laura and Richard cope with the loss of their dog Dylan while preparing for cloned puppies.
Ancient Egyptian hieroglyphs were decoded by 18th century scholars, spurred by the discovery of the Rosetta Stone and fueled by a wave of Egyptomania.
A 9,500-year-old burial site in Cyprus provides some of the earliest evidence of the companionship between humans and cats, highlighting their domestication history.
Sixty-six million years ago, a giant asteroid impact led to the extinction of the dinosaurs, with recent research pinpointing its origin and trajectory.
In the evolution of primates, a key adaptation allowed ancestors to safely digest fermented fruits, leading to the nutritional benefits of fermented foods.
In the rainforests of Guyana, a team of German wildlife photographers and biologists uses advanced technology to study the myths and realities of giant anacondas.
Ediacaran life forms, once a mystery to scientists, were identified as early animals through the analysis of fossilized fat, revealing insights into Precambrian ecosystems.
Weasels exhibit an extreme body plan that challenges metabolic limits, prompting exploration of their evolutionary adaptations and the reasons behind their slender physique.
Mystacodon, the earliest known mysticete, raises questions about the origins of baleen and how these ancient whales lived without it.
Scientists study a hybrid moon mission where humans and robots work together on the Moon.
K2-18b, an exoplanet located 124 light years away, may have traces of dimethyl sulfide, a molecule associated with life on Earth.
In the Ediacaran period, diverse worm-like organisms thrived in a region known as Wormworld, ultimately leading to its ecological decline through their own activities.
Dr. J hosts an awards ceremony celebrating the Hubble Space Telescope's 20th anniversary in space.
Hubble Space Telescope's launch in 1990 promised unprecedented views of the Universe, but a distorted mirror necessitated a costly repair mission.
Today, Hubble helps scientists measure and image the effects of black holes in space.
This episode features answers about Hubble's observations of empty space and distant objects.
The Hubble Legacy Field reveals one of the most important images in human history.
The Hubble Space Telescope reveals new images of the Eagle Nebula's Pillars of Creation.
Hubble Space Telescope engages in ambitious projects to enhance astronomical data collection.
Hubble reveals key discoveries about Pluto before New Horizons' flyby in July 2015.
Hubble's Time Tunnel showcases Hubble's role in understanding the early universe's mysteries.
Hubblecast highlights Galileo Galilei's first telescope demo and Hubble's discoveries.
Engineering firms are developing advanced exoskeletons and internal machines to enhance human capabilities, particularly for those with paralysis.
A young girl from India is born with limbs from her undeveloped parasitic twin.
Time travel was first proposed by Albert Einstein in 1905, raising questions about its potential impact on human evolution and contact with extraterrestrial beings.
Researchers and theorists debate human evolution in Season 1, Episode 4, highlighting new findings that challenge established beliefs about genetic origins.
Shark fishing between Java and Sumatra thrives as seasoned fisherman Sawa and his sons risk their lives to hunt giant tiger sharks for their fins.
A nine-foot python is captured by Troy and Pickle with the help of Otto, a specially trained hunting dog borrowed from Cowboy Mike.
Mofu children in northern Cameroon enjoy a unique culinary tradition that incorporates insects, which play various roles in their culture and daily meals.
Hurricane Florence dropped 10 trillion gallons of rain on North and South Carolina in its first five days, causing widespread flooding and power outages.
Katrina rapidly intensified from a category 1 to a category 5 hurricane, gaining the power equivalent to 100 atomic bombs before striking the Gulf Coast.
Hurricane Otis, which devastated the Mexican coast in 2023, exemplifies the increasing intensity of storms linked to climate change and the role of satellite imagery in public awareness.
In 2010, Ron Martin, an out-of-work financial planner, hires a hitman to kill his wife Jane after discovering her affair with a doctor.
Hydroponics offers a solution for growing plants without soil in cities of tomorrow.
Hydrothermal vents, first discovered in 1977 near the Galapagos Islands, are unique ecosystems where chemosynthesis supports diverse marine life at extreme ocean depths.
In 1967, Jocelyn Bell Burnell discovered pulsars while working on a radio telescope at Cambridge University, a breakthrough in astrophysics.
Behavioral ecologist Iain Couzin examines how locusts swarm and the dynamics of human societal functioning, highlighting collective behavior in nature.
Over 1,000 mammoths died at a site in Predosti, suggesting human involvement in their extinction during the late Pleistocene epoch.
A 54-inch blade on Icewave spins at a tip speed of 300 miles per hour as it faces Yeti in a battle during the 2023 BattleBots season.
The largest atomic bomb ever detonated by the Soviets raises chilling questions about the catastrophic impact it could have had on Paris and its millions of residents.
Astrobotics is developing a GPS system that enables precise lunar landings, essential for future moon colonization and supply deliveries from Earth.
Dr. J discusses the European Southern Observatory's quest for pristine skies in Chile's Atacama Desert.
In various natural habitats, nurturing behaviors of animal species, such as a mother hippo protecting her calf and a bear teaching her cubs, are explored.
Dolphins display their intelligence through complex hunting strategies, playful interactions, and social structures in diverse marine environments.
