Science & Tech
What Is Rocket Staging? Learn About the Different Purposes of Each Rocket Stage
The fire pouring out the back of a spaceship during a rocket launch is jaw-dropping, but it takes a lot more to get a ship into space. That impressive fuel burnoff creates the t...
Jun 13, 2019
Can You Land on Mars? Astronaut Chris Hadfield Identifies 10 Challenges Humanity Must Solve Before Landing on Mars
Colonel Chris Hadfield has been called “the most famous astronaut since Neil Armstrong.” In 2013, he spent six months as commander of the International Space Station—and along t...
Jun 12, 2019
Learn About Spacesuits With Astronaut Chris Hadfield
NASA Colonel Chris Hadfield is the first Canadian astronaut to have walked in space. Unlike on Earth, conditions in space are hostile and unfriendly; this is where a spacesuit b...
Oct 31, 2018
How Rockets Work With Chris Hadfield
In order to get an object to space, you essentially need the following: fuel and oxygen to burn, aerodynamic surfaces and gimbaling engines to steer, and somewhere for the “hot ...
Oct 5, 2018
What Is the International Space Station? Learn About the History of the ISS, Its Purpose, and Structure
Aug 7, 2019
Golden Ratio Explained: How to Calculate the Golden Ratio
Oct 27, 2020
What Was the Gemini Spacecraft? Learn About NASA’s Historic Spacecraft and Gemini’s Role in the Apollo Missions
Sep 13, 2019
Correlation vs. Causation: Causal and Noncausal Relationships
Jun 17, 2022