Our Violent Sun • 2017

44:01

There’s a reason rocket science is used as a benchmark for difficulty. See why as we examine great liftoff disasters.

S1E6 • Space Disasters • 2020 • Astronomy

12:27

Drones have already conquered Earth, and now they're heading out into the solar system. The Mars Helicopter, Ingenuity is proving to be successful and will pave the way for Dragonfly, a future daring mission to Titan.

S4E4 • Breakthrough • 2021 • Astronomy

8:28

The Earth, the sun, the stars, and everything we can see, only comprise five percent of the universe. But what about the other 95 percent? Scientists are puzzling over dark matter and dark energy, the mysterious components that make up the rest.

The Economist • 2015 • Astronomy

42:00

Determining the age of the universe continues to be an elusive endeavor for scientists as their results are conflicting. Without a definitive answer, everything known about the cosmos could be completely wrong.

S10E5 • How the Universe Works • 2021 • Astronomy

12:46

Now that gravitational waves are definitely a thing, it’s time to think about some of the crazy things we can figure out with them. In some cases we’re going to need a gravitational wave observatory - in fact, we've already built one.

PBS Space Time • 2018 • Astronomy

11:22

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 Universe will expand forever, even as our view of it shrinks while space expands faster all the time.

43 • Crash Course Astronomy • 2015 • Astronomy