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SciShow
There Might be a New Kind of Habitable Planet!
Extreme environments full of life on Earth have led researchers to expand the definition of habitability to something that includes many more planets, potentially leading us to evidence of living things in a dramatically shorter time!...
Astrum
The Solution to the Fermi Paradox Is Terrifying
Another look at the Fermi Paradox, and the implication on us as a civilization.
One Minute History
005 Earth - One Minute History
Planet Earth was created under the force of gravity, when stellar dust and rocky debris from the solar nebula combined. “Proto-Earth” was completely molten, its atmosphere toxic. A collision with planetoid Theia formed the Moon. Earth...
One Minute History
The Story of Earth - History of the Universe - One Minute History
The story of the creation of earth and its various epochs.
Khan Academy
Khan Academy: Life in the Universe: Detectable Civilizations in Our Galaxy 2
Why do we even care about the Drake Equation. Thinking about the fraction of a planet's life when a civilization might be detectable.
Khan Academy
Khan Academy: Life in the Universe: Detectable Civilizations in Our Galaxy 3
Reconciling with the traditional Drake Equation
Khan Academy
Khan Academy: Life in the Universe: Detectable Civilizations in Our Galaxy 4
Explains how one could use mathematics to estimate the number of detectable civilizations in our galaxy. [6:16]
Khan Academy
Khan Academy: Life in the Universe: Detectable Civilizations in Our Galaxy 5
A video discussing the reasons why we haven't detected any other civilizations yet. [5:09]
Khan Academy
Khan Academy: Life in the Universe: Detectable Civilizations in Our Galaxy 1
In this video understand a framework for thinking about how many detectable civilizations are out there in the universe. The video derives an equation similar to the Drake equation. [13:03]