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Huge Supernova Discovered

Related Article: How Stars Work

Watch this video about an enormous supernova in another galaxy on HowStuffWorks. A huge explosion ripped apart a star 150 times the size of our sun. Scientists believe it to be the brightest supernova ever seen. See how supernovas work in this news video from Reuters.

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Shape of the Universe (2:34)

Learn about the forms and contours of the universe.

How Stars are Born and Die (5:24)

Watch this NASA "Hidden Universe" video showing how stars are born and how stars die. Learn how the Spitzer Space Telescope is able to use infra-red technology to see far into distant galaxies.

Big Bang Discovery (2:10)

Learn how we discovered the expanding universe and its origin in the Big Bang. Learn more about the Big Bang in this video.

Could a Black Hole Destroy the Earth? (2:08)

Some black holes move from place to place, and one could destroy earth. Learn more about black holes in this HowStuffWorks video.

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The NEAR probe surveys the asteroid Eros and provides the first hard data about these mysterious bodies. Learn more about asteroids in this video.

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Scientists' long-held dream of a satellite space flight to the outer planets came to fruition during a rare planetary alignment in 1977.

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Scientists believe that the universe is not only still expanding from the Big Bang – it is also accelerating.

Big Bang Discovery (2:10)

Learn how we discovered the expanding universe and its origin in the Big Bang. Learn more about the Big Bang in this video.

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Scientists are determined to find out where cosmic rays come from, so they're building a huge cosmic ray-catching net. Learn more about fishing for rays in this video.

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The universe is a complicated place with intricate forms and contours. Learn more about the shape of the universe in this video.

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Carl Sagan journeys to a time when galaxies were beginning to form. Learn more about our cosmos in this video from Discovery.

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Scientists belive that the universe is not only expanding from the Big Bang, but also accelerating. Learn more about astronomy in this video from Discovery.

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The NEAR probe surveys the asteroid Eros and provides the first hard data about these mysterious bodies. Learn more about asteroids in this video.

How Asteroid Impacts Work (1:46)

A large asteroid could end life on earth. Learn more about asteroid impacts in this HowStuffWorks video.

Could Antimatter Destroy the Earth? (1:46)

A collision with antimatter could destroy life on planet earth. Learn more about antimatter in this HowStuffWorks video.