PBS Space Time
Is an Ice Age Coming?
Matt looks at how the changes in our planet’s orbit and rotation impacts our climate.
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Season 2
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PBS Space Time
Anti-gravity and the True Nature of Dark Energy
We’ve come a long way in our understanding of dark energy.
PBS Space Time
What Does Dark Energy Really Do?
How does dark energy affect the universe's expansion?
PBS Space Time
Why the Universe Needs Dark Energy
What's needed to determine the shape and geometry of our universe?
PBS Space Time
Will the Universe Expand Forever?
Many have tried to speculate about what the fate of the universe would be.