Earth has received its first speedy visitor from another star system, A/2017 U1, and the Dawn Mission has helped astronomers gather more evidence about possible former oceans on Ceres.

Bill Stone, a maverick cave explorer who has plumbed Earth's deepest abysses, discusses his efforts to mine lunar ice for space fuel and to build an autonomous robot for studying Jupiter's moon Europa.

With vibrant video clips captured by submarines, David Gallo takes us to some of Earth's darkest, most violent, toxic and beautiful habitats, the valleys and volcanic ridges of the oceans' depths, where life is bizarre, resilient and...

In this image-filled talk, Yann Arthus-Bertrand displays his three most recent projects on humanity and our habitat -- stunning aerial photographs in his series "The Earth From Above," personal interviews from around the globe featured...

Photographer Camille Seaman shoots icebergs, showing the world the complex beauty of these massive, ancient chunks of ice. Dive in to her photo slideshow, "The Last Iceberg."

You're swimming in the ocean when something brushes your leg. When the tingling sets in, you realize you've been stung by a jellyfish. How do these beautiful gelatinous creatures pack such a painful punch? Neosha S Kashef details the...

The Cassini probe is getting more dangerous assignments as its mission nears its end, and the sun's surface may be simpler than we once thought.

Researchers have discovered an underground, liquid water lake on Mars! What might it be like, and why did it take us so long to find it?

Now that we know planets are common in our galaxy, how would we tell if one holds life? Sure, it will take incredibly powerful telescopes and ambitious new space missions, but what are we looking for? What are we listening for? How do we...

The Dawn spacecraft has been exploring the two largest objects in the asteroid belt since 2007, and here's what we've learned so far!

Which is a bigger deal to you? The discovery that there's probably more water on Jupiter's moon Ganymede than all the oceans on Earth? Or the fact that you can now help NASA find asteroids? Learn about both, then decide for yourself!

SciShow Space starts the year off with a bang, and the discovery of 8 Earth-like planets, two of which may be the most promising candidates yet for harboring life.

Showing spectacular clips from productions such as Frida, The Tempest and The Lion King, director Julie Taymor describes a life spent immersed in theater and the movies. Filmed right as controversy over her Broadway production of...

When camels drink, they do so at a rate that would kill most other animals. But where does all of that water go? Hint: It's not their humps!

Eyeballs are unique organs, providing many animals with the ability to interpret the light waves in the world around them, but what are these squishy parts made of?

The water hyacinth may look like a harmless, even beautiful flowering plant -- but it's actually an invasive aquatic weed that clogs waterways, stopping trade, interrupting schooling and disrupting everyday life. In this scourge, green...

Take a trip through our star area, using only the ten hundred most used words, inspired by Randall Munroe of XKCD.

In this video Paul Andersen shows conceptual thinking in a mini-lesson on causal patterns.


TERMS
Patterns - regularity in
the world
Cause - a thing that gives r
ise to an eventr/>Effect - an event
Relationships -...

NASA’s Lunar Reconnaissance Orbiter has been teaching us about the moon for a decade now, and it's still going! What we’re learning from it will make space exploration and future moon missions much easier for future astronauts.

Graham Hawkes takes us aboard his graceful, winged submarines to the depths of planet Ocean (a.k.a. "Earth"). It's a deep blue world we landlubbers rarely see in 3D.

In this talk from 2003, design critic Don Norman turns his incisive eye toward beauty, fun, pleasure and emotion, as he looks at design that makes people happy. He names the three emotional cues that a well-designed product must hit to...

Leadership doesn't have a user's manual, but Fields Wicker-Miurin says stories of remarkable, local leaders are the next best thing. At a TED salon in London, she shares three.

Two years ago we were very excited about the announcement of water on Mars, but some new research challenges that idea. And one of our most successful exoplanet finding tools has discovered another one, this time pretty close to home!

Sharks wouldn’t be known for their fierce teeth today if it weren’t for their ancient scales.