The Fermi Paradox: Drake’s Equation

The Fermi Paradox: Drake’s Equation

Get a free month of Curiosity Stream: https://curiositystream.com/isaacarthur Drake's Equation lies at the core of the Fermi Paradox and SETI, the Search for Extra-Terrestrial Intelligence, but is it a good guide in our search for aliens, and what does modern...

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Observing the Cosmos (with Fraser Cain)

Observing the Cosmos (with Fraser Cain)

Today we're joined by Fraser Cain of Universe Today to discuss the future of astronomy, how you can get started in it as a hobby, and a wide-range of other topics. Check out Fraser's new book:...

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Outward Bound: Colonizing Ceres

Outward Bound: Colonizing Ceres

A visit to Ceres and the Asteroid Belt. Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ Ceres, a dwarf planet amid the Asteroid Belt, hold the potential to be the hub of a vast mining and manufacturing network in the Belt, as well as potentially...

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Outward Bound: Colonizing Mercury

Outward Bound: Colonizing Mercury

Today we take a trip inward, to explore Sun-Scorched Mercury. Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ Mercury is the nearest planet to the Sun, a seeming airless wasteland little discussed in conversations about colonizing our solar system....

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Ancient Aliens

Ancient Aliens

The possibility that ancient civilizations might have encountered or even been influenced by extraterrestrials has fascinated us for as long as we knew there were distant suns they might visit from. Today we will examine the evidence and consider the numerous...

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Megatelescopes

Megatelescopes

To see deeper into space, we will need much bigger telescopes. Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ As astronomy seeks to find and study distant planets and peer further and more accurately into space and time, the limitations of ground...

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Alien Beacons

Alien Beacons

Astronomers have been looking for signs of extraterrestrial signals for decades, and not yet found any. Today we will examine the notion of Interstellar Beacons and ask just how far away you can be heard if you want to be. Visit our Website: http://www.isaacarthur.net...

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The Compendium of Doom, Part 1

The Compendium of Doom, Part 1

A discussion of various theories for the End of the Universe. Watch part 2 here: https://www.youtube.com/watch?v=XLTb0V1BGNw How the Universe began and why is a question that's obsessed humanity for at least as long as civilization has existed, at the same time, how...

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The Cosmic Ocean

The Cosmic Ocean

In memory of Carl Sagan, this episode will review many of the topics he covered during his career and see what what we've learned about the Cosmos and its inhabitants since then. Visit our Website: http://www.isaacarthur.net Join the Facebook Group:...

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Dark Flow & The Great Attractor

Dark Flow & The Great Attractor

Today we're teaming up with Joe Scott to look at the Great Attractor, a mysterious and massive source of gravity obscured from our vision, and the concept of Dark Flow, movements of whole clusters of galaxies in directions with no obvious cause. Companion Episode at...

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