Where did astronomers finally conclude that the 'Weird! Signal' was coming from? What has Elon Musk been up to with SpaceX and the Falcon Heavy rocket?

Hank shares losses and finds this week, including a huge amount of Antarctic ice that’s lost for good, and 10 cool new species that are last year’s top finds.

As long as we've been around, YES. But the universe gets much more exciting, AND much BRIGHTER, as we start winding our clocks back to the early days of the universe. Near the beginning of the universe, when space was rapidly expanding,...

Scientists have worked out how likely it is that distant planets can see earth, and we are learning new ways to study the magnetic fields of galaxies.

Everyone has their own opinion as to whether or not aliens exist. But let's assume they do for a second and we wanted to let them know we're here!!!! How should we signal our species' existence through the expanse of space? There are a...

SciShow Space explores new theories about the timing of the development of life on Earth, and elsewhere in the universe.

Humans have never visited another planet, but we can send special spacecraft called probes to visit them for us! One of those probes, called Voyager 1, has gone deeper into space than any other, and it's sent us some amazing pictures...

Rovers like Curiosity search for life on Mars using rock and soil samples, but why don't they examine liquid or frozen water?

Earlier this month, a Chinese moon rover discovered a mysterious glittery substance at the bottom of a lunar crater. How did it get there? Also, Comet NEOWISE takes thousands of years to circle the Sun, and right now we can see it in our...

Aliens! Could humans really be alone in this expansive universe? And if we're not, how come we've never made contact with other intelligent life? Everyone's thought about it; especially members of the scientific community. Join Gabe as...

Astrophysicist and TED Fellow Sarah Rugheimer searches for aliens -- but not the cartoony green kind. She's looking for extraterrestrial microbes by studying how these single-celled organisms emit gases, which could reveal evidence of...

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This video is about the international system of...

SciShow Talk Show is back! Hank talks to Jimmy Henderson about project MINERVA, or is it the MINERVA Project? Special Guest Jessi Knudsen Castañeda introduces two red eyed crocodile skinks!

At least some advanced civilizations might be producing tons of waste heat by now. And researchers are looking for them.

Scientists announced a major discovery about Uranus using 34-year-old data from Voyager 2, and the Canadian telescope CHIME has detected 9 new FRB repeaters, helping us learn more about these mysterious signals.

You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they're not...

To repeat the space time maxim: it's never aliens .... until it is. So let's talk about 'oumuamua.

Something massive, with roughly 1,000 times the area of earth, is blocking the light coming from a distant star known as KIC 8462852, and nobody is quite sure what it is. As astronomer Tabetha Boyajian investigated this perplexing...

With the right questions, and careful observation, a ghost story can transform from a spooky anecdote to a scientific experiment.

We’ve done a lot of searching for life in the universe and we need to continue to if we hope to make contact. But not all of our attempts were expected to succeed. That’s where Beacon in the Galaxy comes in.

Mars One. The Mars Rover. Bruno Mars. Mars Bars. It's pretty clear we're OBSESSED with the idea of Mars, especially in regard to it being a potential colony for earthlings. But is that really the best option? Is there a better place for...

After the Lumiere brothers and Thomas Edison got the ball rolling with Vaudeville acts and Actualites, the time was coming for movie magic and fiction to make an appearance. The time was coming of filmmakers like Georges Melies and Alice...

Earthlings have been searching for alien life for centuries, and more than a few times we were confident that we'd found evidence, but to err is human after all.

Humorist John Hodgman rambles through a new story about aliens, physics, time, space and the way all of these somehow contribute to a sweet, perfect memory of falling in love.