Inside The World's Largest Crystal 'Cave'
Youth Geology
Discovered in 1999 inside an abandoned mine in Southern Spain, Pulpí Geode is the largest crystal 'cave' of its kind in the world.
Gems, Minerals, Crystals & Rocks–What's the Difference?
Youth Geology
How can you distinguish rock from a mineral? Is that a gem, or is it a crystal? Learn what all these words really mean in this video!
The Giant's Causeway For Kids
Kids Geology
The Giant's Causeway is a natural wonder located in Ireland.
How Saturn Got Its Rings
Youth Geology
There's evidence to suggest Saturn didn't have its rings when the dinosaurs inhabited Earth, so how did they form?
Sand Dunes Shouldn’t Exist (Here’s Why They Do)
Adults Geology
How can sand, blown by the wind, form such intricate and beautiful patterns as ripples and dunes? The answer is a surprising secret of self-organization.
The most colorful gemstones on Earth - Jeff Dekofsky
Adults Geology
What gives opals their signature shimmering colors? Dig into the science of the gemstone’s formation, millions of years in the making.
What makes volcanoes erupt? - Steven Anderson
Adults Geology
Dig into the science of how new volcanoes form, and what causes their unpredictable eruptions.
Volcanoes 101 | National Geographic
Adults Geology
About 1,500 active volcanoes can be found around the world. Learn about the major types of volcanoes, the geological process behind eruptions, and where the most destructive volcanic eruption ever witnessed occurred.
GeoStory
Teachers Geology
A new way of telling stories. This unique website uses interactive maps, video, captions and links with short readings and vivid images to share geological information and sites. There are several different countries and places highlighted for your students to explore!
The Cosmic Origins of Earth's Water
Adults Geology
Why is Earth is a blue planet? Because it's covered in water! Where did Earth's water come from?
How Do Glaciers Move?
Adults Geology
Glacier ice is weird. It's solid. Solid things aren't supposed to flow. But glacier ice flows like a liquid, and it does that without melting! How is this possible? I traveled to Mendenhall Glacier in Juneau, Alaska to find out.
Earth's Magnetic Field Is Going To Flip, Here's How We Know
Adults Geology
Scientists are using clues from ancient artifacts to help them predict the future of the magnetic field.
How North America got its shape
Adults Geology
North America didn't always have its familiar shape, nor its famed mountains, canyons, and plains: all of that was once contained in an unrecognizable mass, buried deep in Rodinia, a huge supercontinent that lay on the face of the Earth.
Why is Mount Everest so tall?
Adults Geology
At 8,850 meters above sea level, Qomolangma, also known as Mount Everest, has the highest altitude on the planet. But how did this towering formation get so tall? Michele Koppes peers deep into our planet's crust, where continental plates collide, to find the answer.
Volcano Eruption
Adults Geology
Additional information: Calbuco volcano has 2003 meters height (6572ft). The impressive ashes column you see in the video had a calculated height of 15km (9.3mil), from which you clearly see about 10km (6.2mil) before to get lost inside the atmosphere static zone where the ashes created a huge and dense cloud that now is traveling around the world.
How big is the ocean?
Adults Geology
While the Earth's oceans are known as five separate entities, there is really only one ocean. So, how big is it? As of 2013, it takes up 71% of the Earth, houses 99% of the biosphere, and contains some of Earth's grandest geological features. Scott Gass reminds us of the influence humans have on the ocean and the influence it has on us.
How Tall Can Mountains Be?
Adults Geology
What is the maximum height for a mountain on Earth!? And why?
Volcano Eruption in Papua New Guinea
Adults Geology
Australian tourists Linda and Philip McNamara filmed the eruption of Papua New Guinean volcano, Mount Tavurvur, on August 29. You can literally see the shockwave!
largest gathering of snakes anywhere in the world
Adults Geology
Every year, thousands of snakes gather at the Narcisse Snake Dens in Manitoba, Canada. It's billed as the largest gathering of snakes anywhere in the world. Manitoba's climate and geology make it the perfect place for red-sided garter snakes to live and mate. It has become a tourist attraction, but it's not for the faint of heart.
Baltimore Landslide
Adults Geology
Baltimore Landslide April 30th, 2014
Coke Can Getting Swallowed By Lava
Adults Geology
This is what happens when a coke can meets some flowing lava.