Science & Technology

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When NASA sends rockets into space, they have to contend with a lot more than just astronaut training, fuel loads, and an overall mission objective. The astrophysicists who plan...

Jun 20, 2019

Moon in space with earth's outline

Rocket design is all about trade-offs: every extra pound of cargo that a rocket needs to lift off the surface of Earth requires more fuel, while every new bit of fuel adds weigh...

Jun 20, 2019

Rocket ship flying into space with clouds and stars

Spaceships and satellites are often used to orbit celestial bodies, whether that’s the moon, a distant planet, or the Earth itself. But not all orbits are the same. Orbits at lo...

Jun 20, 2019

Earth and sun in the dark

If any task requires a very particular set of skills, it’s space exploration. From space science and engineering to how to fight off the most extreme motion sickness and coopera...

Jun 18, 2019

Chris Hadfield with astronaut suit

An astronaut spacewalk is a dangerous extra vehicular activity which requires astronauts to exit the relative safety of their spacecraft (space station or space shuttle) to perf...

Jun 14, 2019

Rocket taking off into space above clouds

On a space station, a space station commander is responsible for ensuring the day-to-day safety of their crew, of the space station itself, and the efficiency and efficacy of th...

Jun 14, 2019

black outline of the earth with white light

The International Space Station (ISS) is a symbol of humanity’s prowess and potential for space travel. But in the 1980s and 1990s, Mir, a major space station built by the Sovie...

Jun 14, 2019

Mir spaceship in space near planet earth

The weather on Mars is quite different from that on Earth, but its atmosphere and climate are also more similar to Earth’s than any other planet. Martian weather is relatively c...

Jun 14, 2019

The planet mars in space

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

Rocket ship in space with smoke