Ever wonder what seasons are like on other planets? Astronomers are beginning to find out, and SciShow Space explains how they know, what causes the change in seasons, and what 'summer' might mean on distant worlds.

Astronomers have finally observed what causes pulsating auroras, and our estimates of the mass of the Andromeda Galaxy have shrunk.

Theoretical physicist David Deutsch delivers a mind-bending meditation on the "great monotony" -- the idea that nothing novel has appeared in the universe for billions of years -- and shows how humanity's capacity to create explanatory...

Fresh water accounts for only 2.5% of Earth's water, yet it is vital for human civilization. What are our sources of fresh water? In the first of a two part series on fresh water, Christiana Z. Peppard breaks the numbers down and...

Some of the universe's biggest action is a result of its smallest stuff

Humans have been talking about space colonization for quite some time, but our neighboring planets are not exactly the most hospitable places. If we are ever going to be successful, we should probably figure out where we could reasonably...

Exoplanets are being discovered in the habitable zone to sustain life as we know it. Could water be found on the closest exoplanet to us?

SciShow Space News gives you the latest from a batch of experiments on the Space Station, a new mission to forecast space weather, and a guide to this year's conjunction of Mars and Venus!

SciShow Space News reveals two weird experiments in human spaceflight: one showed us what it really feels like to walk on the moon, the other put ordinary people through space flight simulation to see how they did. Find out inside!

Can you make a black hole out of light? Learn about the strange theoretical object called the 'Kugelblitz'.

Get transported on a stunningly rendered, sci-fi safari through Planet City: an imaginary metropolis of 10 billion people, from the brain of director and architect Liam Young. Explore the potential outcomes of an urban space designed to...

The Greenland ice sheet is massive, mysterious -- and melting. Using advanced technology, scientists are revealing its secrets for the first time, and what they've found is amazing: hidden under the ice sheet is a vast aquifer that holds...

All over the world, giant wave breaks appear because of underwater geology that supercharges their wave energy.

Hank gives us an inclusive overview of how everything in the universe is thought to have begun, and how cosmologists predict it will all come to an end. Now get happy!

There’s no question that comets have been regarded as some of the most beautiful things in the night sky for thousands of years. But why are their heads often green but never their tails?

This week on Crash Course World Mythology, it's the Circle of Life. And Death. And sometimes, Life again. Mike Rugnetta is teaching you about Dying Gods, by which I mean gods that die, and then return to life. You'll learn about the Corn...

SciShow takes you inside a limnic eruption, a natural disaster that's as deadly as it is rare.

SciShow Space takes you on a tour of Mercury, the sun's closest friend, where a year is just a day and half long, and the surface holds many surprises -- like ice!

Several companies are already working on plans to mine space objects, but who owns what in space?

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Scientists have thought for awhile that pulsars could be used as a sort of galactic positioning system, and astronomers have published the most advanced topographical map of Titan to date!

According to a new model, days on Earth used to really fly by, and today Pluto has wind-swept dunes made of very weird sand.

Plants are amazing machines -- for millions of years, they've taken carbon dioxide out of the air and stored it underground, keeping a crucial check on the global climate. Plant geneticist Joanne Chory is working to amplify this special...

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