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Space Exploration

Space exploration is a broad topic covering many facets of deep-space and planetary science. Learn about space probes, Mars Rovers, SETI and other out-of-this-world subjects.

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How SPACECAST Works

In March 2011, European scientists announced the launch of a project called SPACECAST to detect and forecast space weather. How will it work and what do they hope to learn?


So Close! SpaceX's Falcon 9 Just Misses Sticking Landing on Drone Ship

The SpaceX team and its Falcon 9 rocket made history today when they attempted a ridiculously difficult landing at sea. See more »

Why the Next Few Years Will Be a Boom Time for the Private Space Race

The field of private companies with offworld ambitions is constantly growing. Learn more in this HowStuffWorks Now article. See more »

We're Creating More Reusable Rockets. Here's Why That Matters

SpaceX and Blue Origin are breaking boundaries with reusable rocketry. Learn more in this HowStuffWorks Now video. See more »

The Year in Space Exploration

When it came to learning more about the cosmos, humankind accomplished much over 2015. Learn more in this HowStuffWorks Now article. See more »

What was the first telescope that humans launched into space?

The first telescope that humans launched into space was also the first international satellite. Learn more about the the first telescope in space. See more »

Why is it clearer to view space through an infrared telescope?

Infrared telescopes can provide views of limitless galactic wonders. Find out why they provide a clearer view of space compared to other telescopes. See more »

How do space telescopes avoid orbital debris?

Does orbital debris pose a threat to our space telescopes? If so, how is space debris avoided? Find out at HowStuffWorks. See more »

How do space telescopes die?

After space telescopes break, where do they end up? Find out how space telescopes die at HowStuffWorks. See more »

How is the JWST different than Hubble?

Why do we need the JWST? Isn't Hubble already doing a good enough job staring into space? Learn about the differences between the JWST and Hubble. See more »

Why is the JWST infrared?

The James Webb Space Telescope will be performing almost all of its observations in infrared. Find out how the JWST uses infrared technology. See more »