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How Big is the Solar System?

AdultsPhysicsScienceSpace...
The true scale of our cosmic neighborhood. Whoa.

The Far Future of the Universe

AdultsFutureSpaceScience
This episode was a part of a collaboration with several other PBS Digital Studios shows, all talking about the future!!

An Astronaut's View of Earth

AdultsScienceSpaceWorld...
What it's like to see the Earth from orbit.

How folding paper can get you to the moon - Adrian Paenza

AdultsMathSpaceScience...
Can folding a piece of paper 45 times get you to the moon? By seeing what happens when folding just one piece of paper, we see the unbelievable potential of exponential growth. This lesson will leave you wanting to grab a piece of paper to see how many times you can fold it!

The fundamentals of space-time: Part 2 - Andrew Pontzen and Tom Whyntie

AdultsMathPhysicsScience...
Light always travels at a speed of 299,792,458 meters per second. But if you're in motion too, you're going to perceive it as traveling even faster -- which isn't possible! In this second installment of a three-part series on space-time, CERN scientists Andrew Pontzen and Tom Whyntie use a space-time diagram to analyze the sometimes confounding motion of light.

Science's Breakthrough of the Year 2014!

AdultsAnimalsScienceSpace
Each year, Science chooses a singular scientific development as Breakthrough of the Year. This year, the Rosetta mission took the crown! Meet this year's Breakthrough and check out our nine amazing runners-up!

How many universes are there?

AdultsScienceSpacePhysics...
The fact that no one knows the answer to this question is what makes it exciting. The story of physics has been one of an ever-expanding understanding of the sheer scale of reality, to the point where physicists are now postulating that there may be far more universes than just our own. Chris Anderson explores the thrilling implications of this idea.

Will Marshall: Tiny satellites show us the Earth as it changes in near-real-time

AdultsSpaceTechnologyEnvironment...
Satellite imaging has revolutionized our knowledge of the Earth, with detailed images of nearly every street corner readily available online. But Planet Labs' Will Marshall says we can do better and go faster - by getting smaller. He introduces his tiny satellites - no bigger than 10 by 10 by 30 centimeters - that, when launched in a cluster, provide high-res images of the entire planet, updated daily.

Why can't we see evidence of alien life?

AdultsLifeSpaceScience...
Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful.

The Science and Beauty of Auroras

AdultsScienceWorldSpace...
Space might seem like an empty place, but the area surrounding Earth is constantly being bombarded by waves of charged particles released by the Sun: The solar wind. Luckily, thanks to Earth's swirling, molten core (and the magnetic field it provides), we are protected from this planet-sterilizing onslaught like an invisible force field.

Preparing for #CometLanding

AdultsScienceSpaceTechnology...
After a ten-year journey, Rosetta and Philae had finally reached their destination, Comet 67P/Churyumov-Gerasimenko. Rosetta spent many weeks studying the comet, sending lots of information back to Earth. But where was Philae going to land? Eventually the scientists on Earth found the best place on the comet for Philae to land. Soon it was time to make the final preparations for Philae's great adventure. Both spacecraft couldn't wait any longer. The whole world would be watching as Rosetta and Philae prepared for their biggest challenge yet.

Astronauts Grow a Water Bubble in Space

AdultsGadgetsPhysicsSpace...
During Expedition 40 in the summer of 2014, NASA astronauts Steve Swanson and Reid Wiseman - along with European Space Agency astronaut Alexander Gerst - explored the phenomenon of water surface tension in microgravity on the International Space Station. The crew "submerged" a sealed GoPro camera into a floating ball of water the size of a softball and recorded the activity with a 3-D camera.

Ambition - An Amazing Short Fusion Film Of Science Fiction With Science Fact

AdultsFilmScienceSpace...
Ambition is a collaboration between Platige Image and ESA. Directed by Tomek Bagi?ski and starring Aiden Gillen and Aisling Franciosi, Ambition was shot on location in Iceland, and screened on 24 October 2014 during the British Film Institute's celebration of Sci-Fi: Days of Fear and Wonder, at the Southbank, London.

Orion: Trial By Fire

AdultsSpaceTechnologyScience
Orion will be launching into space for the first time in December 2014. It can take astronauts to asteroid or even onto Mars.

Interstellar

AdultsFilmMarketingScience...
Christopher Nolan is back with Interstellar, a film that has Matthew McConaughey as astronauts traveling to a recently discovered wormhole in our own solar system.

Facebook Will Use Drones and Lasers to 'Beam' Internet to the World

AdultsInternet CultureTechnologyWorld...
After announcing Internet.org last year, an initiative to improve Internet access across the globe, Mark Zuckerberg unveiled the Connectivity Lab, a new team of scientists that has been working on the ambitious project. He said that the Connectivity Lab would develop "new platforms for connectivity on the ground, in the air and in orbit," according to a post on Internet.org on Thursday. How are they going to do it?

Questions no one knows the answers to

AdultsPhysicsScienceSpace...
In the first of a new TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers.

Chris Hadfield: What I learned from going blind in space

AdultsLifeSpaceScience
There's an astronaut saying: In space, "there is no problem so bad that you can't make it worse." So how do you deal with the complexity, the sheer pressure, of dealing with dangerous and scary situations? Retired colonel Chris Hadfield paints a vivid portrait of how to be prepared for the worst in space (and life) -- and it starts with walking into a spider's web. Watch for a special space-y performance.

Google Announces "Project Tango"

AdultsSoftware EngineeringTechnologyArtificial Intelligence...
Project Tango is an exploration into giving mobile devices a human-scale understanding of space and motion. So cool!

Ender's Game Official Trailer

AdultsFilmMarketingSpace
70 years after a horrific alien war, an unusually gifted child is sent to an advanced military school in space to prepare for a future invasion.

All Alone in the Night

AdultsSpaceWorldScience...
All Alone in the Night - Time-lapse footage of the Earth as seen from the ISS