Physicist Michio Gaku compares success with Mexico in alien contact with humans Video

On 17:03 ET (21:03 GMT) on April 9, 2021

<img class="image" src="https://cnnespanol.cnn.com/wp-content/plugins/lazy-load-0.7/images/1x1.trans.gif" alt="Michio Cuckoo: Communicating with aliens is a scary idea" data-lazy-src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409153245-michio-kaku-contacto-seres-humanos-extraterrestres-conquista-mex-hernan-cortes-moctezuma-redaccion-mexico-full-169.jpg?quality=100&strip=info&w=140&h=80&crop=1" data-lazy-srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409153245-michio-kaku-contacto-seres-humanos-extraterrestres-conquista-mex-hernan-cortes-moctezuma-redaccion-mexico-full-169.jpg?quality=100&strip=info&w=140&h=80&crop=1 140w" data-lazy-sizes="( min-width: 200px ) 140px"/> <img class="image" srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409153245-michio-kaku-contacto-seres-humanos-extraterrestres-conquista-mex-hernan-cortes-moctezuma-redaccion-mexico-full-169.jpg?quality=100&strip=info&w=140&h=80&crop=1 140w" sizes="( min-width: 200px ) 140px" src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409153245-michio-kaku-contacto-seres-humanos-extraterrestres-conquista-mex-hernan-cortes-moctezuma-redaccion-mexico-full-169.jpg?quality=100&strip=info&w=140&h=80&crop=1" alt="Michio Cuckoo: Communicating with aliens is a scary idea"/> Is playing 1:21 On 21:02 ET (01:02 GMT) on April 9, 2021

<img class="image" src="https://cnnespanol.cnn.com/wp-content/plugins/lazy-load-0.7/images/1x1.trans.gif" alt="Ingenuity, the first flight to Mars" data-lazy-src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409205049-ingenuity-helicoptero-marte-nasa-perseverance-elio-morillo-ingeniero-wt-jaqueline-hurtado-00030914-full-169.png?w=1024" data-lazy-srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409205049-ingenuity-helicoptero-marte-nasa-perseverance-elio-morillo-ingeniero-wt-jaqueline-hurtado-00030914-full-169.png?w=1024 1024w" data-lazy-sizes="( min-width: 200px ) 300px"/> <img class="image" srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409205049-ingenuity-helicoptero-marte-nasa-perseverance-elio-morillo-ingeniero-wt-jaqueline-hurtado-00030914-full-169.png?w=1024 1024w" sizes="( min-width: 200px ) 300px" src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409205049-ingenuity-helicoptero-marte-nasa-perseverance-elio-morillo-ingeniero-wt-jaqueline-hurtado-00030914-full-169.png?w=1024" alt="Ingenuity, the first flight to Mars"/> 4:10 Posted at 19:41 ET (23:41 GMT) April 9, 2021

<img class="image" src="https://cnnespanol.cnn.com/wp-content/plugins/lazy-load-0.7/images/1x1.trans.gif" alt="The amazing dunes are like this "Blue" Of Mars" data-lazy-src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409184742-blue-dunes-mars-full-169.jpg?quality=100&strip=info&w=1024" data-lazy-srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409184742-blue-dunes-mars-full-169.jpg?quality=100&strip=info&w=1024 1024w" data-lazy-sizes="( min-width: 200px ) 300px"/> 0:38 On 18:53 ET (22:53 GMT) on April 9, 2021

<img class="image" src="https://cnnespanol.cnn.com/wp-content/plugins/lazy-load-0.7/images/1x1.trans.gif" alt="Valuable companion of astronauts, stuffed cat" data-lazy-src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409174943-soyuz-estacion-espacial-internacional-tripulante-gato-peluche-perspectivas-mexico-nasa-mision-gravedad-00000826-full-169.jpg?quality=100&strip=info&w=1024" data-lazy-srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409174943-soyuz-estacion-espacial-internacional-tripulante-gato-peluche-perspectivas-mexico-nasa-mision-gravedad-00000826-full-169.jpg?quality=100&strip=info&w=1024 1024w" data-lazy-sizes="( min-width: 200px ) 300px"/> <img class="image" srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409174943-soyuz-estacion-espacial-internacional-tripulante-gato-peluche-perspectivas-mexico-nasa-mision-gravedad-00000826-full-169.jpg?quality=100&strip=info&w=1024 1024w" sizes="( min-width: 200px ) 300px" src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409174943-soyuz-estacion-espacial-internacional-tripulante-gato-peluche-perspectivas-mexico-nasa-mision-gravedad-00000826-full-169.jpg?quality=100&strip=info&w=1024" alt="Valuable companion of astronauts, stuffed cat"/> 0:47 On 18:12 ET (22:12 GMT) on April 9, 2021

<img class="image" src="https://cnnespanol.cnn.com/wp-content/plugins/lazy-load-0.7/images/1x1.trans.gif" alt="Best place this week: 2 galaxies are collapsing" data-lazy-src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409153254-mejores-imagenes-espacio-9-abril-galaxia-centaurus-asteroide-2001-fo32-marte-fobos-ingenuity-astronautas-nasa-redaccion-mexico-full-169.jpg?quality=100&strip=info&w=1024" data-lazy-srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409153254-mejores-imagenes-espacio-9-abril-galaxia-centaurus-asteroide-2001-fo32-marte-fobos-ingenuity-astronautas-nasa-redaccion-mexico-full-169.jpg?quality=100&strip=info&w=1024 1024w" data-lazy-sizes="( min-width: 200px ) 300px"/> <img class="image" srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409153254-mejores-imagenes-espacio-9-abril-galaxia-centaurus-asteroide-2001-fo32-marte-fobos-ingenuity-astronautas-nasa-redaccion-mexico-full-169.jpg?quality=100&strip=info&w=1024 1024w" sizes="( min-width: 200px ) 300px" src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409153254-mejores-imagenes-espacio-9-abril-galaxia-centaurus-asteroide-2001-fo32-marte-fobos-ingenuity-astronautas-nasa-redaccion-mexico-full-169.jpg?quality=100&strip=info&w=1024" alt="Best place this week: 2 galaxies are collapsing"/> 2:31 On 16:52 ET (20:52 GMT) on April 9, 2021

<img class="image" src="https://cnnespanol.cnn.com/wp-content/plugins/lazy-load-0.7/images/1x1.trans.gif" alt="Look for the perfect place to fly ingenuity" data-lazy-src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409153303-marte-vuelo-helicoptero-ingenuity-zona-despegue-perseverance-rover-nasa-redaccion-mexico-full-169-e1618002861350.jpg?quality=100&strip=info&w=1024" data-lazy-srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409153303-marte-vuelo-helicoptero-ingenuity-zona-despegue-perseverance-rover-nasa-redaccion-mexico-full-169-e1618002861350.jpg?quality=100&strip=info&w=1024 1024w" data-lazy-sizes="( min-width: 200px ) 300px"/> <img class="image" srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409153303-marte-vuelo-helicoptero-ingenuity-zona-despegue-perseverance-rover-nasa-redaccion-mexico-full-169-e1618002861350.jpg?quality=100&strip=info&w=1024 1024w" sizes="( min-width: 200px ) 300px" src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409153303-marte-vuelo-helicoptero-ingenuity-zona-despegue-perseverance-rover-nasa-redaccion-mexico-full-169-e1618002861350.jpg?quality=100&strip=info&w=1024" alt="Look for the perfect place to fly ingenuity"/> 1:01 Posted at 15:14 ET (19:14 GMT) Friday, April 9, 2021

<img class="image" src="https://cnnespanol.cnn.com/wp-content/plugins/lazy-load-0.7/images/1x1.trans.gif" alt="The first flight of ingenuity, explained an expert" data-lazy-src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409131224-01-mars-ingenuity-helicopter-blades-full-169.jpeg?quality=100&strip=info&w=1024" data-lazy-srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409131224-01-mars-ingenuity-helicopter-blades-full-169.jpeg?quality=100&strip=info&w=1024 1024w" data-lazy-sizes="( min-width: 200px ) 300px"/> <img class="image" srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409131224-01-mars-ingenuity-helicopter-blades-full-169.jpeg?quality=100&strip=info&w=1024 1024w" sizes="( min-width: 200px ) 300px" src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210409131224-01-mars-ingenuity-helicopter-blades-full-169.jpeg?quality=100&strip=info&w=1024" alt="The first flight of ingenuity, explained an expert"/> 0:43 Posted on 15:13 ET (19:13 GMT) April 9, 2021

<img class="image" src="https://cnnespanol.cnn.com/wp-content/plugins/lazy-load-0.7/images/1x1.trans.gif" alt="Why is it so difficult to fly to Mars?" data-lazy-src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210407161923-ingenuity-helicopter-0405-full-169-1.jpg?quality=100&strip=info&w=1024" data-lazy-srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210407161923-ingenuity-helicopter-0405-full-169-1.jpg?quality=100&strip=info&w=1024 1024w" data-lazy-sizes="( min-width: 200px ) 300px"/> 3:01 On Thursday 21:12 ET (01:12 GMT) April 8, 2021

<img class="image" src="https://cnnespanol.cnn.com/wp-content/plugins/lazy-load-0.7/images/1x1.trans.gif" alt="Strange green rock found on Mars" data-lazy-src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210408214556-pba-roca-full-169.jpg?quality=100&strip=info&w=1024" data-lazy-srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210408214556-pba-roca-full-169.jpg?quality=100&strip=info&w=1024 1024w" data-lazy-sizes="( min-width: 200px ) 300px"/> 0:44 On 4:28 PM ET (8:28 PM GMT) Thursday, April 8, 2021

<img class="image" src="https://cnnespanol.cnn.com/wp-content/plugins/lazy-load-0.7/images/1x1.trans.gif" alt="The most powerful telescope is sent into space this 2021" data-lazy-src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210408152146-telescopio-james-webb-hubble-espacio-galaxias-estrellas-nasa-redaccion-mexico-full-169.jpg?quality=100&strip=info&w=1024" data-lazy-srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210408152146-telescopio-james-webb-hubble-espacio-galaxias-estrellas-nasa-redaccion-mexico-full-169.jpg?quality=100&strip=info&w=1024 1024w" data-lazy-sizes="( min-width: 200px ) 300px"/> <img class="image" srcset="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210408152146-telescopio-james-webb-hubble-espacio-galaxias-estrellas-nasa-redaccion-mexico-full-169.jpg?quality=100&strip=info&w=1024 1024w" sizes="( min-width: 200px ) 300px" src="https://cnnespanol.cnn.com/wp-content/uploads/2021/04/210408152146-telescopio-james-webb-hubble-espacio-galaxias-estrellas-nasa-redaccion-mexico-full-169.jpg?quality=100&strip=info&w=1024" alt="The most powerful telescope is sent into space this 2021"/> 1:13