Search Results | spacecraft
Your search for "spacecraft" returned 300 results
What is a keyhole satellite and what can it really spy on?
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On a television drama last week, the plot involved photos taken of a Russian missile silo, and the characters mentioned a "keyhole satellite." What is a keyhole satellite and what can it really spy on?
UFO Pictures
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These UFO pictures show you several classic UFO pictures. Check out these UFO pictures.
Exploring Mars: Insights Into the Red Planet
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Since the 1960s, we've been captivated by the planet Mars. How different is our neighbor, and what have we learned about the most explored planet?
10 Worst Things Ever to Happen at Christmas
The Holidays are supposed to be full of joy, but sometimes it isn't. Check out some of the worst things to ever happen on Christmas at HowStuffWorks.
How Aerogels Work
science.howstuffworks.com/aerogel.htm
Aerogels are incredible materials that could have dozens of uses from insulation to oil spill cleanup. Learn about aerogels in this article.
No One Knows What Caused a Massive 1908 Explosion in Siberia
Theories surrounding the source of the Tunguska blast that rocked the Siberian region in 1908 abound. But the exact cause is still a mystery.
Are the Dropa stones authentic?
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Ancient caves! Mysterious stones! Tiny little beings with strange heads! Sounds like the plot of an Indiana Jones movie, doesn't it? The legend of the Dropa stones has persisted for over half a century now, but is any of it actually true?
UAP Meaning: Understanding Unidentified Aerial Phenomena
science.howstuffworks.com/space/aliens-ufos/uaps.htm
UFOs and UAPs both refer to unidentified objects in the sky, but scientists prefer the term UAP. And that's because when we hear UFO, we automatically assume aliens.
Scientists Working on Converting Human Waste Into Food for Astronauts
science.howstuffworks.com/converting-human-waste-into-food-for-astronauts.htm
HowStuffWorks looks at a study on how human waste can become food - particularly important for astronauts in space.
Scientists Confirm Uranus Stinks
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Astronomers have discovered the chemical signature of hydrogen sulfide, a foul-smelling compound, in Uranus' clouds. Learn more at HowStuffWorks.