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Astronomy and space

49–96 of 1,203 courses and talks.

TED Talk My radical plan for small nuclear fission reactors Taylor Wilson · TED Source's player TED Talk The real future of space exploration Burt Rutan · TED Source's player TED Talk How to defend Earth from asteroids Phil Plait · TED Source's player TED Talk An animated tour of the invisible John Lloyd · TED Source's player TED Talk Ugly History: Witch Hunts Brian A. Pavlac · TED Source's player TED Talk The woman who stared at the Sun Alex Gendler · TED Source's player TED Talk Inside America's dead shopping malls Dan Bell · TED Source's player TED Talk You owe it to yourself to experience a total solar eclipse David Baron · TED Source's player TED Talk Inside the world's deepest caves Bill Stone · TED Source's player TED Talk After billions of years of monotony, the universe is waking up David Deutsch · TED Source's player TED Talk The design of the universe George Smoot · TED Source's player TED Talk Your body was forged in the spectacular death of stars Enrico Ramirez-Ruiz · TED Source's player TED Talk What time is it on Mars? Nagin Cox · TED Source's player TED Talk SpaceX's supersized Starship rocket -- and the future of galactic exploration Jennifer Heldmann · TED Source's player TED Talk What is the universe expanding into? Sajan Saini · TED Source's player TED Talk The untapped genius that could change science for the better Jedidah Isler · TED Source's player TED Talk What obligation do social media platforms have to the greater good? Eli Pariser · TED Source's player TED Talk Why we need the explorers Brian Cox · TED Source's player TED Talk The problem of light pollution -- and 5 ridiculously easy ways to fix it Kelsey Johnson · TED Source's player TED Talk A 3D atlas of the universe Carter Emmart · TED Source's player TED Talk Will our kids be a different species? Juan Enriquez · TED Source's player TED Talk How a miniaturized atomic clock could revolutionize space exploration Jill Seubert · TED Source's player TED Talk The missing 96 percent of the universe Claire Malone · TED Source's player TED Talk Tiny satellites show us the Earth as it changes in near-real-time Will Marshall · TED Source's player TED Talk How bumble bees inspired a network of tiny museums Amanda Schochet · TED Source's player TED Talk Life at 30,000 feet Richard Branson · TED Source's player TED Talk My search for proof aliens exist Avi Loeb · TED Source's player TED Talk The secret to scientific discoveries? Making mistakes Phil Plait · TED Source's player TED Talk Life-altering questions about the end of the universe Katie Mack · TED Source's player TED Talk 10 ways the world could end Stephen Petranek · TED Source's player TED Talk The search for the invisible matter that shapes the universe Chanda Prescod-Weinstein · TED Source's player TED Talk How fast are you moving right now? Tucker Hiatt · TED Source's player TED Talk The fingerprints of life beyond Earth Clara Sousa-Silva · TED Source's player TED Talk 3 moons and a planet that could have alien life James Green · TED Source's player TED Talk The discovery that could rewrite physics Allan Adams · TED Source's player TED Talk What Saturn's most mysterious moon could teach us about the origins of life Elizabeth "Zibi" Turtle · TED Source's player TED Talk What it takes to launch a telescope Erika Hamden · TED Source's player TED Talk Architecture that's built to heal Michael Murphy · TED Source's player TED Talk How we use astrophysics to study earthbound problems Federica Bianco · TED Source's player TED Talk Can you solve the multiverse rescue mission riddle? Daniel Finkel · TED Source's player TED Talk Can a black hole be destroyed? Fabio Pacucci · TED Source's player TED Talk The murder of ancient Alexandria's greatest scholar Soraya Field Fiorio · TED Source's player TED Talk How we'll find life on other planets Aomawa Shields · TED Source's player TED Talk Distant time and the hint of a multiverse Sean Carroll · TED Source's player TED Talk The mission to create a searchable database of Earth's surface Will Marshall · TED Source's player TED Talk The world's first crowdsourced space traffic monitoring system Moriba Jah · TED Source's player TED Talk Buildings that blend nature and city Jeanne Gang · TED Source's player TED Talk Humanity's search for cosmic truth and poetic beauty Maria Popova · TED Source's player