Topic: Earth

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NASA: Satellite Tracks Saharan Dust to Amazon in 3-D

Watch 182 million tons of dust ride the wind out of Africa's Sahara Desert in 3D, as tracked from 2007 through 2013 by lidar, thanks to CALIPSO, the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation sa...

Flying drones over the lava lake at Ambrym’s Marum Crater

...for science! Made possible thanks to camera-outfitted drones, filmmaker Sam Cossman took a team the edge of Ambrym Volcano's Marum Crater to 3D map its 7.5-mile-wide (12-kilometer) caldera and the spectacular lava ...

The phases of the moon visualized from the other side

What does the other side of the moon like? Thanks to NASA's Scientific Visualization Studio and data from the Lunar Reconnaissance Orbiter, we get a glimpse in this animation, showcasing two different virtual views. F...

Volcanic Eruptions 101: How It Happens

How do volcanos work? From explosive eruptions to creeping lava flows, this NYT video explains the anatomy of a volcano, and how the unseen underground variables can make it difficult to know how a volcano might behav...

Deep Look: The Hidden Perils of Permafrost

When you put a permafrost core in a CT scanner and analyze the data, you're traveling back in time to answer important questions: What was buried deep within the frozen soil? How much of it is ice or plant matter? How...

Mars Loops the Loop: What is retrograde motion?

What is retrograde motion and why does a planet like Mars appear to change directions in the night sky? Is it playfully looping about in its orbit around the sun or is something less strange going on? From episode 2 o...

Planet Earth in 4K: Time lapse images taken by an orbiting satellite

This video truly illustrates why our Earth is called The Blue Marble. Taken every 30 minutes over Indian ocean from May 15th to May 19th, 2011, these images by the geostationary Elektro-L weather satellite have been c...

Minute Earth: Why Do Rivers Curve?

"...All it takes to turn a straight stretch of river into a bendy one, is a little disturbance and a lot of time, and in nature there's plenty of both." In this Minute Earth episode, narrated by science writer Emily E...

Deep Look: The Amazing Life of Sand

There’s a story in every grain of sand: tales of life and death, fire and water. If you scooped up a handful of sand from every beach, you'd have a history of the world sifting through your fingers. From mountain boul...

It’s Okay to Be Smart: Why Do Clouds Stay Up?

Clouds are filled with so many water droplets that they're actually heavy... like 100 elephants heavy or a 747 airplane heavy! So why don't clouds fall out of the sky? It's Okay to Be Smart's Joe Hanson explains every...

Eruption at Iceland’s Bardabunga Volcano

When you send two quadcopters with cameras seriously close to a caldera full of exploding lava, something might melt! In this behind-the-scenes promo by drone maker DJI, director Eric Cheng, photographer Ragnar Th. Si...

First Evidence for Water Ice Clouds Found Outside Solar System

Take a (peacefully quiet) tour through and beyond our solar system to visit a neighboring brown dwarf -- a sort of failed star that's too large to be called a planet -- called W0855. A team of scientists, led by Carne...

Solar System, Milky Way, Laniakea: Our home supercluster

Our home planet, Earth, circles the sun. The sun, our star, is but one of billions of stars in the Milky Way, our home galaxy... and beyond that? Where on the map of the cosmos is the Milky Way? For the first time, we...

Earth Observations: Astronauts search for cities from ISS’ Cupola

What do volcanoes, islands, dry lake beds, and big cities look like from space? Join International Space Station Expedition 38 crew members Mike Hopkins and Rick Mastracchio as they chitchat about Earth's cities and c...

Eva Szasz’s Cosmic Zoom (1968)

From director Eva Szasz and the National Film Board of Canada, Cosmic Zoom (1968) is a wordless journey that attempts to demonstrate the scale of the universe. Beginning with a boy boating on the Ottawa River, we trav...

Everything You Need to Know About Planet Earth

When we wake up, eat breakfast, get ready for school or work, and head out the door, we may not be thinking about how incredibly unique our small, wet rock of a planet is. But the Earth is incredibly unique. Learn som...

Dr. Mae Jemison, NASA Astronaut: I Wanted To Go Into Space

Find out why NASA astronaut Dr. Mae Jemison wanted to go into space in this profile from NOVA's The Secret Life of Scientists and Engineers. A physician, a chemical engineer, a teacher, a dancer, and the first Afri...

Mesmerizing flight visualizations over 24 hour periods

The above air traffic visualization shows the incredible amount of planes coming and going from European airspace over the course of one summer day. It was created by NATS, an air traffic control services provider, an...

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