Just in case you want to make plans a few trillion years in advance.
Explore the greatest and largest wonders of the cosmos.
Take a journey through different dimensions.
Is there a "you 2.0" living in a parallel dimension?
Even Stephen Hawking is still trying to figure them out.
After 13 billion years, you’d be ready for retirement, too.
This video puts the entire universe, from particles to people to galaxies, in perspective.
Why is the universe built the way it is?
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