Be Smart
Maybe We've Already Made First Contact…
New ReviewThere are hundreds of billions of planets in our galaxy. Scientists now think hundreds of millions of them have conditions where life could arise. What do scientists think are the best ways of reaching out to them? And why do some...
MinutePhysics
Open Letter to the President - Physics Education
Open Letter to the President - Physics Education
PBS
How to Find ALIEN Dyson Spheres
On our search for alien lifeforms we scan for primitive biosignatures, and wait and hope for their errant signals to happen by the Earth. But that may not be the best way. Any energy-hungry civilization more advanced than our own may...
SciShow
How Carl Sagan Predicted Nuclear Winter
Carl Sagan predicted some amazing things including the aftermath of nuclear war.
SciShow
Carl Sagan
Hank pays tribute to Carl Sagan, noting his accomplishment as an astronomer and his contributions to culture -- both pop and otherwise -- as one of the great popularizers of science. Happy Carl Sagan Day!
SciShow
How Many Stars Are There?
How many stars are there in the universe? This question leads Hank to a couple other questions - How many stars can we see from Earth? How many stars are there in our galaxy? - but the answer to the original question proves elusive.
MinutePhysics
Open Letter to the President - Physics Education
Open Letter to the President - Physics Education
Wonderscape
Exploring the Universe: The Journey of Astrophysicist Neil deGrasse Tyson
Science Kids Famous Astronomers and Astrophysicists - From Galileo to Neil deGrasse Tyson Neil deGrasse Tyson, a renowned astrophysicist, discovered his passion for outer space at a young age and has since made significant contributions...
Science ABC
Cosmic Calendar: History of The Universe In Just 365 days!
The concept of the cosmic calendar was popularized by famous astronomer Carl Sagan to help people understand just how far apart on a time scale events in the Universe are. Basically, he arranged the 13.8 billion years of the Universe’s...
The Art Assignment
Art We Launched Into Space
There is plenty of art ABOUT space, but this video explores art ACTUALLY IN space. Learn about cosmonauts sketching orbital sunrises, the Moon Museum, Carl Sagan's Golden Record, and the sculptures currently orbiting Earth today, among...
AllTime 10s
What If Aliens Landed On Earth? - Alternate Reality
If aliens bothered to visit our increasingly destroyed planet, what would actually happen?
NASA
On a Mission: Season 3, Episode 10: A Voyager’s View of Earth
The Voyager 1 spacecraft has traveled farther away from Earth than any human-made object. Candy Hansen and David Grinspoon talk about the Voyager mission, and its humbling perspective of our planet as a tiny blue dot in the blackness of...
CuriosaMente
¿La Tierra es un ser vivo? Gaia - Especial Día de la Tierra CuriosaMente
En los años 70, James Lovelock y Lynn Margulis formularon una idea que explica muchao sobre nuestro planeta: La hipótesis de Gaia. Nuestro planeta durante mucho tiempo se consideró como un ente inanimado, compuesto de rocas y agua, en el...
NASA
NASA in Silicon Valley: William Reach Talks About NASA’s Flying Telescope in New Zealand
A conversation with William Reach, Deputy Director at the SOFIA Science Center at NASA’s Ames Research Center in Silicon Valley.
NASA
NASA in Silicon Valley: Jack Boyd Talks About His 70 Years with NASA (and NACA)
A conversation with Jack Boyd, Senior Advisor to the Center Director at NASA’s Ames Research Center in Silicon Valley.
NASA
Gravity Assist: Exploring Mars with Spirit and Opportunity with Steve Squyres
NASA’s Spirit and Opportunity rovers were only supposed to rove around Mars for 90 days. Listen in with Steve Squyers from Cornell University as he recounts the amazing discoveries we’ve made about the Red Planet because of these two...
NASA
Gravity Assist: Set Sail for Europa, with Bob Pappalardo
NASA’s Europa Clipper mission will give us the most detailed look yet at Jupiter’s extraordinary moon Europa.
NASA
Gravity Assist: The History of the Future, with Steven Dick
Astronomer and historian Steven Dick tells us there are many approaches to consider and many questions we should ask ourselves to get ready, in case extraterrestrial life is found.
Curated Video
Un punto azul pálido - Tributo a Carl Sagan
Carl Sagan opinaba que “Crecemos en una sociedad basada en la ciencia y la tecnología y en la que nadie sabe nada de estos temas.”
Curated Video
Cosmic Calendar: History of The Universe In Just 365 days!
The concept of the cosmic calendar was popularized by famous astronomer Carl Sagan to help people understand just how far apart on a time scale events in the Universe are. Basically, he arranged the 13.8 billion years of the Universe’s...
Dom Burgess
Why Aliens Will Probably Be Robots.
Is there other life out there in the universe? Do aliens really exist? If so, then where are they all?! In this most epic of episodes, Dom has his favourite film (Aliens) interrupted by an extraterrestrial visitor - how very...
Getty Images
Ray Bradbury participates in Caltech symposium
/ On the eve of Mariner 9 going into orbit at Mars, Ray Bradbury takes part in a symposium discussion at Caltech with Arthur C Clarke, journalist Walter Sullivan, and scientists Carl Sagan and Bruce Murray / Bradbury relates some...
Curated Video
USA: NASA CONFIRMS THAT MARS PATHFINDER MISSION IS GOING WELL
English/Nat
Scientists involved with the Pathfinder mission to Mars on Sunday gushed that everything was going perfectly.
The small spacecraft landed on the Martian surface on the Fourth of July and has since released its small rolling...