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2022-11-09: What If Humanity Is Among The First Spacefaring Civilizations?

  • 04:16: It turns out that most habitable stars are formed in a pretty short period of cosmic history.

2022-09-21: Science of the James Webb Telescope Explained!

  • 04:11: ... that UV light has now been traveling to us for most of cosmic history, and the expanding universe has stretched the light by more than a factor ...
  • 04:51: Combined with its sensitivity sensitified to the earliest galaxies this let’s us complete our map of galaxy evolution over cosmic history.

2021-04-13: What If Dark Matter Is Just Black Holes?

  • 03:21: ... holes by estimating the number of stars that formed and died through cosmic history. ...

2021-02-17: Gravitational Wave Background Discovered?

  • 00:00: ... we know that black holes and neutron stars have been merging for all of cosmic history and supernovae have been exploding and stellar remnants have been ...

2020-07-28: What is a Theory of Everything: Livestream

  • 00:00: ... ball in space who've actually amazingly after 13.8 billion years of cosmic history managed to start figuring a bunch of stuff out and i think this is a ...

2019-06-17: How Black Holes Kill Galaxies

  • 07:21: ... Black holes are the main suspect here's one final clue compare the cosmic history of black hole growth to that of star formation they grow together and ...

2019-05-16: The Cosmic Dark Ages

  • 00:24: ... in the universe. These were the cosmic dark ages. It’s a period of cosmic history rarely discussed because it’s hellishly difficult to study. Fortunately ...

2019-03-20: Is Dark Energy Getting Stronger?

  • 05:55: Part of the reason for that is that supernovae aren’t bright enough to see through ALL of cosmic history.
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