Instructional Video6:49
SciShow

The Biggest Star In The Universe Is Too Small

12th - Higher Ed
R136a1 is the most massive star that astronomers have ever discovered. It's so massive you might think the laws of physics wouldn't allow it. But it turns out that its current mass estimate is actually so low that it threatens our...
Instructional Video14:48
PBS

What If the Galactic Habitable Zone LIMITS Intelligent Life?

12th - Higher Ed
Our solar system is a tiny bubble of habitability suspended in a vast universe that mostly wants to kill us. In fact, a good fraction of our own galaxy turns out to be utterly uninhabitable, even for sun—like stellar systems. Is this why...
Instructional Video3:44
SciShow

Radioactive Iron Rain!

12th - Higher Ed
This week on SciShow Space News we're talking about gravity waves (not gravitational waves) on Pluto, and radioactive interstellar rain on Earth!
Instructional Video10:59
Crash Course

Dark Energy, Cosmology part 2

12th - Higher Ed
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...
Instructional Video5:29
TED-Ed

TED-ED: Light seconds, light years, light centuries: How to measure extreme distances - Yuan-Sen Ting

Pre-K - Higher Ed
When we look at the sky, we have a flat, two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth? Yuan-Sen Ting shows us how trigonometric parallaxes, standard candles and more help us determine...
Instructional Video10:13
Veritasium

Spinning Black Holes

9th - Higher Ed
A pulsing black hole in the centre of a distant galaxy sheds light on black hole and galaxy formation. How fast are black holes rotating and how does that rotation change over its life-span?
Instructional Video13:54
Astrum

What A Supernova Could Do to Earth

Higher Ed
What are the odds a supernova could end the world tomorrow?
Instructional Video6:42
Astrum

When Will The Next Naked-eye Supernova Event Happen?

Higher Ed
When will the next naked-eye supernova event happen? What will it look like? Will we be safe? Astrum Answers!
Instructional Video0:36
Curated Video

Element

6th - 12th
An element is a pure substance that cannot be broken down any further by chemical means.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Instructional Video3:13
Curated Video

What Are Stars?

6th - 12th
What are stars made of? How are they born, how do they live, and how do they die? Physics - Our Solar System - Learning Points. Our nearest star is the Sun. A star is formed from a cloud of dust and gas, which shrinks under gravity and...
Instructional Video4:40
TMW Media

Searching for Life in the Galaxy: How life on Earth began

K - 5th
What was proto-Earth like? How do Earth slowly form over time? Where were the first forms of life found on Earth?<br/>
Searching for Life in the Galaxy, Part 1
Instructional Video2:33
Science360

Super Stars

12th - Higher Ed
Who are the biggest super stars in the universe? For Adam Burrows, an astrophysics professor at Princeton University, it's not who, but ""what,"" and they are far from Hollywood, or even Earth, for that matter. Burrows would tell you...
Instructional Video1:19
Next Animation Studio

Megalodon's extinction might have been caused by supernova explosion

12th - Higher Ed
New paper proposes megalodon may have gone extinct due to supernova explosion
Instructional Video45:20
NASA

NASA | Our Violent Universe

3rd - 11th
Our universe is more than a serene landscape of stars--it is teeming with activity from some extremely violent events. In a presentation at the IMAX theatre at the Smithsonian National Air and Space Museum in Washington, D.C. on...
Instructional Video2:58
NASA

TESS Completes its Primary Mission

3rd - 11th
On July 4, NASA’s Transiting Exoplanet Survey Satellite (TESS) completed its primary mission, a two-year-long survey that imaged about 75% of the starry sky. In capturing this giant mosaic, TESS has found 66...
Instructional Video3:37
NASA

NASA’s Roman Mission Will Use Exploding Stars to Measure Cosmic Distances

3rd - 11th
NASA’s upcoming Nancy Grace Roman Space Telescope will see thousands of exploding stars called supernovae across vast stretches of time and space. Using these observations, astronomers aim to shine a light...
Instructional Video
Khan Academy

Khan Academy: Threshold 3: New Chemical Elements

9th - 10th
A video discussing how elements of the periodic table are spread throughout the universe when large star dies. Learn about how the process leads to Threshold 3. [2:50]
Audio
Science Friday Initiative

Science Friday: Physics Nobelists Observed an Accelerating Universe

9th - 10th
The 2011 Nobel Prize in Physics has gone to three American astronomers.