Video Archive

  • Cosmic Clocks: Galaxies Behave Like Clocks, Rotating Once Every Billion Years

    An international team of astronomers from Australia, China and the United States has discovered that all galaxies rotate once every billion years, no matter how big they are.

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  • Mesmerizing video shows what would happen if an asteroid crashed into Earth’s oceans

    In films like Armageddon, Hollywood has tried (and failed) to take on the question of what would happen if a comet or asteroid plunged into the oceans on Earth, but what has scientific research actually determined it may look like?

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