Astronomy
Astronomy is a broad discipline covering all facets of astrophysics. In this section you can learn about the origins of the universe, black holes and other astronomical phenomena. See more »
what's inside: space channel
Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.
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Future Space
What is the future of space travel? Explore the technologies we’ll use to visit the stars in the near and not-so-near future, from space planes to robonauts. See more »
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Spaceflight
Spaceflight covers topics related to human presence in outer space. Learn about weightlessness, astronauts and space tourism in this section. See more »
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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. See more »
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Space Transportation Systems
Space Transportation Systems (STS) are the systems and architectures that deliver payloads and humans to outer space. Learn about space shuttles, rockets and other spacecraft. See more »
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featured articles
What if I looked straight at an eclipse of the sun?
You've probably heard that staring at the sun is bad for your eyes. Even a few seconds can damage your eyes. But what if you looked at a solar eclipse?
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videos: space
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How the Google Lunar X Prize Works
Internet search giant Google is known for innovation. But now it's sponsoring the Lunar X Prize, in which private teams compete to land on the moon. Why?
Is there a hole in the universe?
While routinely scanning the stars, NASA scientists came across something they didn't expect to see: a vast area of space empty of stars, planets and matter.
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