In 2021, a crew of civilian astronauts spent three days in Earth orbit. While they were up there, they performed a bevy of experiments. And not only did we learn more about what space travel can do to the human body, we also learned...

What challenges lie ahead of a staggering 12,700-kilometer paddle around the entire continent of Australia? Crocodiles and sharks were just the beginning, says Ironwoman Bonnie Hancock. Reflecting on her remarkable feat of becoming the...

No one likes being sick, but can you imagine catching a bug while hurling through space? Turns out, this is an issue that many space agencies have worked to study and mitigate. <b<br/>r/>

Learn about the famous red hat wearing underwater explorer Jacques Cousteau! Hosted by: Hank Green

Hank discusses the challenges involved in manned space travel to Mars, and sends us a message from his 17-year-old self.

How do meteorologists and scientists make predictions about the power and trajectory of a hurricane? Buckle up. Science correspondent Miles O'Brien joins a crew of scientists who fly right into the eye of Hurricane Florence.

Book: The Wild Blue: The Men and Boys Who Flew the B-24s Over Germany

FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some handy keywords to get your googling started:



- isolated peoples: peoples living without significant contact...

Francis Ford Coppola's "Apocalypse Now" is a different kind of war movie. It's a multi-genre film that maybe says more about human psychology than it does about war. In this episode of Crash Course Film Criticism, Michael Aranda takes us...

How does an astronaut prepare physically and mentally to launch into space? NASA astronaut Megan McArthur, who traveled to the International Space Station in April 2021 as part of the SpaceX Crew-2 mission, shares stellar life lessons...

There is a chemical reaction discovered a century ago that could be the key to creating everything from fuel to shelter on Mars!

In 1969, Buzz Aldrin’s historical step onto the moon leapt mankind into an era of technological possibility. The awesome power of technology was to be used to solve all of our big problems. Fast forward to present day, and what's...

We're heading for a world population of 10 billion people -- but what will we all eat? Lisa Dyson rediscovered an idea developed by NASA in the 1960s for deep-space travel, and it could be a key to reinventing how we grow food.

You called it, and we are grateful! Hank analyzes what went wrong with our intro, which gave us the perfect opportunity to talk about the awesomeness that is the Apollo Lunar Lander!

It's been a year since astronomer Tabetha Boyaijan found strange signals coming from a star called KIC 8462852, aka Tabby's Star. Now, new research shows that it's even stranger than we thought. Plus, good news from spaceflight company...

Cú Chulainn, hero of Ulster, stood at the ford at Cooley, ready to face an entire army single handedly— all for the sake of a single bull. The army in question belonged to Queen Meadhbh of Connaught. Enraged at her husband's possession...

This week, an update on Dawn's rendezvous with Ceres, a changing of the guard on the ISS, and a viewer's guide to this year's solar eclipse!

Okay, going to Mars is going to be expensive. Not only that, but who we choose to pick on that trip also needs to have the statistically lowest chance of perishing. So it might be the case that our best scenario is all female crew!

Hercules, the strongest man alive with a mighty heart to match. Orpheus, charmer of nature and master of music. Castor and Pollux, the twin tricksters. The Boreads, sons of the North Wind who could hurtle through the air. Brought...

Could we one day live on Mars? Reid Reimers explains Mars One could help colonize the red planet.

Skylab set the stage for future space stations like Mir and the ISS, and showed that people really could live in space for a while and do important scientific research.

Astronaut Jerry Carr knows space. As commander of Skylab, he spent over 2000 hours in space, orbiting the Earth over 1000 times. Recounting his life story, Carr remembers the enchanting years he spent at NASA. Lesson by Jerry Carr,...

2020 is going to be an exciting year for space exploration, if everything goes according to plan. Humans are heading to space in new spacecraft, multiple Mars missions are on the horizon, and scientists are getting a new perspective on...

If you've ever dreamed of living on Earth's Moon, we've got an episode for you!