Kepler Space Telescope
A highly successful NASA mission that discovered thousands of exoplanets but failed to find Earth-like planets around Sun-like stars due to its limited operational lifetime.
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Videos Mentioning Kepler Space Telescope

Rob Reid: The Existential Threat of Engineered Viruses and Lab Leaks | Lex Fridman Podcast #193
Lex Fridman
Space telescope mentioned as providing evidence of the high percentage of stars with habitable planets.

David Kipping: Alien Civilizations and Habitable Worlds | Lex Fridman Podcast #355
Lex Fridman
A highly successful NASA mission that discovered thousands of exoplanets but failed to find Earth-like planets around Sun-like stars due to its limited operational lifetime.

Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe | Lex Fridman Podcast #137
Lex Fridman
A satellite that studied exoplanets by detecting slight dimming of starlight as planets transited, confirming that nearly every star likely has a planetary system.

Sara Seager: Search for Planets and Life Outside Our Solar System | Lex Fridman Podcast #116
Lex Fridman
A space telescope that provided estimates for how many planets are in the habitable zone of their host stars.

Earthquake Lights in Morocco -- What could they be?
Sabine Hossenfelder
The space telescope that originally discovered the exoplanet K2-18b.

Nathalie Cabrol: Search for Alien Life | Lex Fridman Podcast #348
Lex Fridman
A space observatory launched by NASA to discover exoplanets, which has shown many Earth-like planets in habitable zones.