# Astronomy and space 1,203 courses and talks. - [My radical plan for small nuclear fission reactors](https://invisiblenetwork.ai/learn/ted/taylor_wilson_my_radical_plan_for_small_nuclear_fission_reactors): Taylor Wilson · TED - [The real future of space exploration](https://invisiblenetwork.ai/learn/ted/burt_rutan_the_real_future_of_space_exploration): Burt Rutan · TED - [How to defend Earth from asteroids](https://invisiblenetwork.ai/learn/ted/phil_plait_how_to_defend_earth_from_asteroids): Phil Plait · TED - [An animated tour of the invisible](https://invisiblenetwork.ai/learn/ted/john_lloyd_an_animated_tour_of_the_invisible): John Lloyd · TED - [Ugly History: Witch Hunts](https://invisiblenetwork.ai/learn/ted/brian_a_pavlac_ugly_history_witch_hunts): Brian A. Pavlac · TED - [The woman who stared at the Sun](https://invisiblenetwork.ai/learn/ted/alex_gendler_the_woman_who_stared_at_the_sun): Alex Gendler · TED - [Inside America's dead shopping malls](https://invisiblenetwork.ai/learn/ted/dan_bell_inside_america_s_dead_shopping_malls): Dan Bell · TED - [You owe it to yourself to experience a total solar eclipse](https://invisiblenetwork.ai/learn/ted/david_baron_you_owe_it_to_yourself_to_experience_a_total_solar_eclipse): David Baron · TED - [Inside the world's deepest caves](https://invisiblenetwork.ai/learn/ted/bill_stone_inside_the_world_s_deepest_caves): Bill Stone · TED - [After billions of years of monotony, the universe is waking up](https://invisiblenetwork.ai/learn/ted/david_deutsch_after_billions_of_years_of_monotony_the_universe_is_waking_up): David Deutsch · TED - [The design of the universe](https://invisiblenetwork.ai/learn/ted/george_smoot_the_design_of_the_universe): George Smoot · TED - [Your body was forged in the spectacular death of stars](https://invisiblenetwork.ai/learn/ted/enrico_ramirez_ruiz_your_body_was_forged_in_the_spectacular_death_of_stars): Enrico Ramirez-Ruiz · TED - [What time is it on Mars?](https://invisiblenetwork.ai/learn/ted/nagin_cox_what_time_is_it_on_mars): Nagin Cox · TED - [SpaceX's supersized Starship rocket -- and the future of galactic exploration](https://invisiblenetwork.ai/learn/ted/jennifer_heldmann_spacex_s_supersized_starship_rocket_and_the_future_of_galactic_exploration): Jennifer Heldmann · TED - [What is the universe expanding into?](https://invisiblenetwork.ai/learn/ted/sajan_saini_what_is_the_universe_expanding_into): Sajan Saini · TED - [The untapped genius that could change science for the better](https://invisiblenetwork.ai/learn/ted/jedidah_isler_the_untapped_genius_that_could_change_science_for_the_better): Jedidah Isler · TED - [What obligation do social media platforms have to the greater good?](https://invisiblenetwork.ai/learn/ted/eli_pariser_what_obligation_do_social_media_platforms_have_to_the_greater_good): Eli Pariser · TED - [Why we need the explorers](https://invisiblenetwork.ai/learn/ted/brian_cox_why_we_need_the_explorers): Brian Cox · TED - [The problem of light pollution -- and 5 ridiculously easy ways to fix it](https://invisiblenetwork.ai/learn/ted/kelsey_johnson_the_problem_of_light_pollution_and_5_ridiculously_easy_ways_to_fix_it): Kelsey Johnson · TED - [A 3D atlas of the universe](https://invisiblenetwork.ai/learn/ted/carter_emmart_a_3d_atlas_of_the_universe): Carter Emmart · TED - [Will our kids be a different species?](https://invisiblenetwork.ai/learn/ted/juan_enriquez_will_our_kids_be_a_different_species): Juan Enriquez · TED - [How a miniaturized atomic clock could revolutionize space exploration](https://invisiblenetwork.ai/learn/ted/jill_seubert_how_a_miniaturized_atomic_clock_could_revolutionize_space_exploration): Jill Seubert · TED - [The missing 96 percent of the universe](https://invisiblenetwork.ai/learn/ted/claire_malone_the_missing_96_percent_of_the_universe): Claire Malone · TED - [Tiny satellites show us the Earth as it changes in near-real-time](https://invisiblenetwork.ai/learn/ted/will_marshall_tiny_satellites_show_us_the_earth_as_it_changes_in_near_real_time): Will Marshall · TED - [How bumble bees inspired a network of tiny museums](https://invisiblenetwork.ai/learn/ted/amanda_schochet_how_bumble_bees_inspired_a_network_of_tiny_museums): Amanda Schochet · TED - [Life at 30,000 feet](https://invisiblenetwork.ai/learn/ted/richard_branson_life_at_30_000_feet): Richard Branson · TED - [My search for proof aliens exist](https://invisiblenetwork.ai/learn/ted/avi_loeb_my_search_for_proof_aliens_exist): Avi Loeb · TED - [The secret to scientific discoveries? Making mistakes](https://invisiblenetwork.ai/learn/ted/phil_plait_the_secret_to_scientific_discoveries_making_mistakes): Phil Plait · TED - [Life-altering questions about the end of the universe](https://invisiblenetwork.ai/learn/ted/katie_mack_life_altering_questions_about_the_end_of_the_universe): Katie Mack · TED - [10 ways the world could end](https://invisiblenetwork.ai/learn/ted/stephen_petranek_10_ways_the_world_could_end): Stephen Petranek · TED - [The search for the invisible matter that shapes the universe](https://invisiblenetwork.ai/learn/ted/chanda_prescod_weinstein_the_search_for_the_invisible_matter_that_shapes_the_universe): Chanda Prescod-Weinstein · TED - [How fast are you moving right now?](https://invisiblenetwork.ai/learn/ted/tucker_hiatt_how_fast_are_you_moving_right_now): Tucker Hiatt · TED - [The fingerprints of life beyond Earth](https://invisiblenetwork.ai/learn/ted/clara_sousa_silva_the_fingerprints_of_life_beyond_earth): Clara Sousa-Silva · TED - [3 moons and a planet that could have alien life](https://invisiblenetwork.ai/learn/ted/james_green_3_moons_and_a_planet_that_could_have_alien_life): James Green · TED - [The discovery that could rewrite physics](https://invisiblenetwork.ai/learn/ted/allan_adams_the_discovery_that_could_rewrite_physics): Allan Adams · TED - [What Saturn's most mysterious moon could teach us about the origins of life](https://invisiblenetwork.ai/learn/ted/elizabeth_zibi_turtle_what_saturn_s_most_mysterious_moon_could_teach_us_about_the_origins_of_life): Elizabeth "Zibi" Turtle · TED - [What it takes to launch a telescope](https://invisiblenetwork.ai/learn/ted/erika_hamden_what_it_takes_to_launch_a_telescope): Erika Hamden · TED - [Architecture that's built to heal](https://invisiblenetwork.ai/learn/ted/michael_murphy_architecture_that_s_built_to_heal): Michael Murphy · TED - [How we use astrophysics to study earthbound problems](https://invisiblenetwork.ai/learn/ted/federica_bianco_how_we_use_astrophysics_to_study_earthbound_problems): Federica Bianco · TED - [Can you solve the multiverse rescue mission riddle?](https://invisiblenetwork.ai/learn/ted/daniel_finkel_can_you_solve_the_multiverse_rescue_mission_riddle): Daniel Finkel · TED - [Can a black hole be destroyed?](https://invisiblenetwork.ai/learn/ted/fabio_pacucci_can_a_black_hole_be_destroyed): Fabio Pacucci · TED - [The murder of ancient Alexandria's greatest scholar](https://invisiblenetwork.ai/learn/ted/soraya_field_fiorio_the_murder_of_ancient_alexandria_s_greatest_scholar): Soraya Field Fiorio · TED - [How we'll find life on other planets](https://invisiblenetwork.ai/learn/ted/aomawa_shields_how_we_ll_find_life_on_other_planets): Aomawa Shields · TED - [Distant time and the hint of a multiverse](https://invisiblenetwork.ai/learn/ted/sean_carroll_distant_time_and_the_hint_of_a_multiverse): Sean Carroll · TED - [The mission to create a searchable database of Earth's surface](https://invisiblenetwork.ai/learn/ted/will_marshall_the_mission_to_create_a_searchable_database_of_earth_s_surface): Will Marshall · TED - [The world's first crowdsourced space traffic monitoring system](https://invisiblenetwork.ai/learn/ted/moriba_jah_the_world_s_first_crowdsourced_space_traffic_monitoring_system): Moriba Jah · TED - [Buildings that blend nature and city](https://invisiblenetwork.ai/learn/ted/jeanne_gang_buildings_that_blend_nature_and_city): Jeanne Gang · TED - [Humanity's search for cosmic truth and poetic beauty](https://invisiblenetwork.ai/learn/ted/maria_popova_humanity_s_search_for_cosmic_truth_and_poetic_beauty): Maria Popova · TED [Next page](https://invisiblenetwork.ai/learn/browse?subject=space&page=3)