Have we underestimated the risks of global catastrophe and human extinction? There is an odd argument that claims to justify end-of-the-world worries with raw statistics. video What is the Doomsday Argument? Episode 02 Season 16 26:47 Watch
In the far, far future, what happens to planets, stars, galaxies, black holes? What’s the ‘Big Rip’ and the ‘Big Crunch’? And if ‘multiple universes’ exist,... video Will the Universe Ever End? Episode 04 Season 13 26:46 Watch
When we speak about the future of the universe, we mean when the sun burns out, when galaxies collide, when everything flies apart and ultimately evaporates. Do the untold... video What is the Far Far Future of the Universe? Episode 04 Season 05 26:46 Watch
Consider humanity’s astounding progress in science during the past three hundred years. Now take a deep breath and project forward, oh say, three billion years. video What’s the Far Future of Intelligence in the Universe? Episode 13 Season 02 26:46 Watch
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... playlist What is the Far Far Future of the Universe? Topic Series 32:15 Watch
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... playlist What Happens in the Far Far Future? Topic Series 5 videos 42:07 Watch
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,... playlist Long Evolution of the Universe Topic Series 4 videos 33:47 Watch
Our universe has been developing for about 14 billion years, but human-level intelligence, at least on Earth, has emerged in a remarkably short period of time, measured in... playlist What is the Far Future of Intelligence in the Universe? Topic Series 10 videos 1:27:53 Watch
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... playlist What is the Far Far Future of Humans in the Universe? Topic Series 9 videos 1:21:15 Watch
The Copernican Principle asserts that humans are not special, that we should expect to find ourselves in an ordinary place or position. But if humanity continues for billions... playlist What is the Doomsday Argument? Topic Series 5 videos 50:35 Watch
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, galaxies, and black... playlist Will the Universe Ever End? Topic Series 10 videos 1:21:58 Watch
‘Eternity’—time that goes on and on and does not end—used to be the province of philosophy, even theology, with no real evidence. But now cosmologists are... playlist The Physics of Eternity Topic Series 7 videos 52:10 Watch
There are two basic theories about how the universe will end. Neither are pleasant. The first spells out an inward-rushing, squashing-together of all things and the second... video Will This Universe Ever End? Roundtable 27:39 Watch
Leon Lederman Nobel Prize in Physics; Director Emeritus, Fermi National Accelerator Laboratory (Fermilab)
Dimitar Sasselov Professor of Astronomy and Director of the Origins of Life Initiative, Harvard University