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Science | Space | 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.


The Ultimate Space Race Quiz

The Ultimate Space Race Quiz

The race for space between the U.S. and the USSR was more than just another contest. Test your knowledge about The Great Space Race at HowStuffWorks. See more »

For the Benefit of All: The NASA Quiz

For the Benefit of All: The NASA Quiz

How much do you know about NASA? Test your knowledge with this quiz at HowStuffWorks. See more »

What was the first telescope that humans launched into space?

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?

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?

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?

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?

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?

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 »

What's the oldest thing we've seen through a space telescope?

What's the oldest thing we've seen through a space telescope?

The oldest thing we can see through a space telescope is also the farthest thing away from our universe. Find out what it is at HowStuffWorks. See more »

What's the 'space roar'?

What's the 'space roar'?

In space, no one can hear you scream -- because sound can't travel in a vacuum. Despite this, scientists have discovered that outer space is letting out a pretty loud roar. See more »