Our universe has existed for about 14 billion years. Looking backwards, that’s about 1 followed by 10 zeros. Looking forwards, into the far far future, cosmologists can...
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42:07
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Our universe seems fine-tuned for life, with the constants of physical laws having to be within tight boundaries. Does this mean that the universe has a goal of...
7 videos
56:02
When we speak about the future of the universe, we mean when our sun burns out, when galaxies collide, when everything flies apart and ultimately evaporates. Do the untold...
4 videos
32:15
Why does alien intelligence hold such fascination? Can we even conceive of what they might be like? To appreciate intelligent, sentient life in the universe, right now we...
35:43
Most scientists assume that the universe must be populated with innumerable alien intelligences and civilizations—after all, there are billions of galaxies each with...
45:09
What does it mean to ask about the ‘end’ of the universe? Can the universe even have an end? What would end? In the far, far future, what happens to stars,...
36:27
Consider humanity’s astounding progress in science during the past three hundred years. Now take a deep breath and project forward three billion years. Assuming humans...
9 videos
1:21:15
There is so much in the universe that is astonishing, from the smallest particles to the largest galaxies. Hear the wonder and awe from the scientists who discover the...
8 videos
1:09:50
We know that the very early universe was a cauldron of immensely hot plasma gas that seemed uniform and undifferentiated, the paragon of simplicity. And yet, over time,...
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