The Universe Is Racing Apart. We May Finally Know Why.

We've known that the universe is expanding since 1929, and that its expansion is accelerating since 1998. The culprit behind the acceleration is unknown, so we live with a stand-in term "dark energy". Our modern cosmological model assumes that dark energy has a constant density--always the same...

21 min - Space & the Universe - PBS Space Time

More: The Big Bang & Cosmology documentaries

Read Deeper: The Big Bang & Cosmology

1. The First Three Minutes by Steven Weinberg (4.1/5) - View on Amazon
2. A Universe from Nothing by Lawrence Maxwell Krauss (3.4/5) - View on Amazon
3. Big Bang by Simon Singh (3.7/5) - View on Amazon
4. The Big Picture by Sean M. Carroll (3.9/5) - View on Amazon
5. A Brief History of Time by Stephen Hawking (4.2/5) - View on Amazon

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