Upload date
All time
Last hour
Today
This week
This month
This year
Type
All
Video
Channel
Playlist
Movie
Duration
Short (< 4 minutes)
Medium (4-20 minutes)
Long (> 20 minutes)
Sort by
Relevance
Rating
View count
Features
HD
Subtitles/CC
Creative Commons
3D
Live
4K
360°
VR180
HDR
7,654,207 results
Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, ...
5,212,862 views
10 years ago
Today Phil explains how telescopes work and offers up some astronomical shopping advice. Check out the Crash Course ...
1,602,241 views
Who we are? Where do we come from and where are we going? How and why was the Universe born? These are some of the ...
128,210 views
4 years ago
Astronomers say they have discovered "the strongest evidence yet" of life on a distant planet, although, they stress that more ...
14,169 views
7 days ago
In order to understand how we study the universe, we need to talk a little bit about light. Light is a form of energy. Its wavelength ...
2,571,508 views
9 years ago
mindblowingfacts #briancox #universe Renowned astrophysicist, Professor Brian Cox explains some of the biggest mysteries in ...
366,264 views
4 months ago
Mercury is the closest planet to the sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly hot but, ...
1,595,892 views
---------------------------------------------------------------------------------- What's the difference between an astronomer and an astrophysicist?
74,585 views
5 years ago
Live at 9.
24 views
2 days ago
Today Phil's explaining the stars and how they can be categorized using their spectra. Together with their distance, this provides a ...
2,048,412 views
How Big is The Universe? We begin at the familiar blue and green orb we call home and zoom out to explore the vastness of ...
9,452,753 views
1 year ago
Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with ...
2,145,909 views
A team of astronomers have detected what they call the most promising signs to date of a possible biosignature, or signs of past or ...
1,159,415 views
For most of human history, understanding the night sky was not the preserve of scientists, but a precious tool for our survival.
13,154 views
Tens of thousands of years ago, First Nations Australians looked up on pristine dark skies and formed a complex understanding of ...
683 views
When Starliner astronauts Barry "Butch" Wilmore and Sunita Williams were launched into space in June 2024, they were planning ...
9,952 views
1 month ago
A early look inside the new Astronomy Discovery Center at Lowell Observatory in Flagstaff.
3,198 views
5 months ago
How do astronomers make sense of the vastness of space? How do they study things so far away? Today Phil talks about ...
1,978,334 views
If you think scientists lead boring, monotonous lives, you must not know about Tycho Brahe. The 16th century astronomer who ...
516,881 views
We've covered a lot of incredible stuff, but this week we're talking about the weirdest objects in space: BLACK HOLES.
2,751,679 views
Wanda Diaz Merced studies the light emitted by gamma-ray bursts, the most energetic events in the universe. When she lost her ...
84,039 views
8 years ago
This week on Crash Course: History of the Scientific Revolution—astronomical anomalies accrued. Meanwhile, in Denmark—an ...
456,039 views
6 years ago
From the biggest black holes in the universe to what would happen if the Moon collided with Earth, this video has all of my ...
1,917,647 views
Saturn is the crown jewel of the solar system, beautiful and fascinating. It is a gas giant and has a broad set of rings made of ice ...
1,572,007 views