SciShow
Our Expanding Universe | Compilation
The universe is expanding. But how much is it expanding? Is it doing expanding the same way everywhere? And can physics actually explain the expansion?
SciShow
Dark Energy Could Rip the Universe Apart - SciShow News
There are a few ideas about how the universe will end, but a paper published last week suggests that dark energy might eventually rip everything apart!
SciShow
We May Have Just Found the Universe's Missing Baryonic Matter
Astronomers have finally found evidence to help solve the missing baryon problem, and they're pointing telescopes toward the Intergalactic Medium to figure it out.
SciShow
It's Official, Life Could Survive on Enceladus
Enceladus’ environment could totally be habitable for at least one real-world microbe and we just found the oldest supernova.
PBS
Why the Universe Needs Dark Energy
We know the universe will continue to expand forever, so now we can begin to complete the first Friedmann equation, and determine the shape and geometry of our universe. At first glance, it would seem that the equation doesn't quite add...
TED Talks
Andrew Connolly: What's the next window into our universe?
Big Data is everywhere — even the skies. In an informative talk, astronomer Andrew Connolly shows how large amounts of data are being collected about our universe, recording it in its ever-changing moods. Just how do scientists capture...
TED Talks
TED: Have we reached the end of physics? | Harry Cliff
Why is there something rather than nothing? Why does so much interesting stuff exist in the universe? Particle physicist Harry Cliff works on the Large Hadron Collider at CERN, and he has some potentially bad news for people who seek...
SciShow
15 Futuristic Space Mission Concepts in 5 Minutes
NASA's Innovative Advanced Concepts program has funded a slew of new space mission concepts! Which one is your favorite?
MinutePhysics
How Do We Know The Universe Is ACCELERATING?
Aatish Bhatia helped write this video! A big thanks for his help! Here's his blog: http://www.empiricalzeal.com The universe is expanding – this we know from looking at red shifts of distant galaxies – but the acceleration of the...
TED Talks
Henry Lin: What we can learn from galaxies far, far away
In a fun, exciting talk, teenager Henry Lin looks at something unexpected in the sky: distant galaxy clusters. By studying the properties of the universe's largest pieces, says the Intel Science Fair award winner, we can learn quite a...
Crash Course
Dark Energy, Cosmology part 2
The majority of the universe is made up of a currently mysterious entity that pervades space: dark energy. We don’t know exactly what it is, but we do know that dark energy accelerates the expansion of space. We think this means the...
Crash Course
Astrophysics and Cosmology: Crash Course Physics
It's time for the end. At least the end of our first series on Physics here at Crash Course. In this episode of Crash Course Physics, Shini sits down to talk about Astrophysics and Cosmology. By using what we've learned this year, we can...
SciShow
Dark Energy
The universe is huge and getting bigger all the time, and we have we have dark energy - the most mysterious force in the universe - to blame/thank for it. Thought to make up more than 70% of the energy in the whole universe, Hank...
SciShow
The Universe Is Expanding... But Not Everywhere
The Universe is expanding which means distant galaxies are only moving farther away from us. So in the farthest future, will our night sky be empty?
SciShow
How Can the Universe Be Flat?
Can geometry predict the future? Cosmologists think the overall curvature of universe can tell us secrets about how it will eventually end.
Crash Course
Deep Time
As we approach the end of Crash Course Astronomy, it’s time now to acknowledge that our Universe’s days are numbered. Stars will die out after a few trillion years, protons will decay and matter will dissolve after a thousand trillion...
TED-Ed
TED-ED: The death of the universe - Ren_e Hlozek
The shape, contents and future of the universe are all intricately related. We know that it's mostly flat; we know that it's made up of baryonic matter (like stars and planets), but mostly dark matter and dark energy; and we know that...
TED-Ed
TED-ED: What light can teach us about the universe - Pete Edwards
Humanity has long been looking at the universe and asking the big questions: How did it begin? How will it end? Cosmologists are searching hard for the answers, but where do they even start? The answer is light. Pete Edwards outlines the...
PBS
The Missing Mass Mystery
For years, astronomers have been unable to find up to half of the baryonic matter in the universe. We may just have solved this problem.
Curated Video
What Is Dark Matter? Exploring One of Physics’ Biggest Mysteries
New ReviewWhat is Dark Matter? -- What if I told you that there may be trillions of particles going through your body right now, and you can’t see it, hear it, or touch it. And that these particles are so vast, that they compose more than 6 times...
Curated Video
What Is Dark Matter Made Of? Axions, WIMPs, and Other Theories
New ReviewIs dark matter real? What is dark matter made of?Axions, Wimps, Machos explained. (Part 2 will be "why dark matter may not be matter at all") One of the biggest questions in science is: What is the universe made of? There is about 6X...
Curated Video
What Is Dark Energy Made Of? Comparing Leading Theories
New ReviewIt’s one of the biggest mysteries in science. It makes up the majority of the universe. What is dark energy? What is dark energy made of? What is quintessence? Is Dark energy the cosmological constant? Does dark energy really exist? Most...
Curated Video
What Is the Great Attractor and What Is Dark Flow?
New ReviewOur Milky way galaxy is not stationary. It’s attracted by a massive object in space called the great attractor, at more than 600 km/s. What is this great attractor? Will it destroy us? And, what is Dark Flow? Our galaxy is part of more...
Curated Video
Could Dark Energy Be Made of Particles? Exploring Quintessence
New ReviewDark energy is different than dark matter. They are both labeled dark because we don’t know what they are. Dark matter does not absorb, reflect or emit any light. It is inferred to exist only because of its gravitational effect on...