Primordial black holes may be lurking throughout our universe. How large are they, how many are out there and what would happen if they moved through our solar system?

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...

Navigating territorial hippos and active minefields, TED Fellow Steve Boyes and a team of scientists have been traveling through the Okavango Delta, Africa's largest remaining wetland wilderness, to explore and protect this near-pristine...

What does it really take for a planet to be habitable? It turns out, certain parts of a star system, a galaxy, and even the universe as we know it, are more habitable than others. Get to know them as Hank takes you on a tour of some of...

Plutonium powered robot car! With a laser gun! That's (kind of) what's hurtling through space right now as part of NASA Mars Science Laboratory heads for the Red Planet. Hank walks you through this historic mission, with the help of some...

Astrophysicists have discovered an exoplanet that lost its atmosphere, but then, somehow, grew it back! Also, astronomers used satellite data to find a magnetic hurricane above the north pole that we almost missed!

NASA’s Magellan mission gave us unprecedented insight into Venus’s rocky surface, and even now, more than 25 years after the mission ended, it’s still one of our main tools for learning about our mysterious, next-door neighbor.

We’ve done a surprising amount of exploration on Mars, from its atmosphere, to its surface, and miles deep into its canyons. But mapping its insides has been a quandary that we hadn’t been able to solve until last week!

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

The #OursToLose YouTube campaign sheds light on climate change and the environment.

For the first time ever we have visual confirmation that black holes actually exist and we got it with a telescope the size of our planet.

A trip into space produces physiological effects in human beings, but it can also change a person in a profound, psychological way.

We’ve discovered what appears to be the first known moon outside of the solar system and new models of Europa’s surface predict the presence of ice blades!

A mother and son trek across an endless desert. Wearing special suits to dissipate heat and recycle moisture, the travelers aren’t worried about dying of thirst. Their fears are much greater. Soon, the sound of the desert is drowned out...

Is there life on Venus? If there is, it would have to be unlike anything we’ve ever seen! New evidence means the possibility of life there is in question, but it could also mean a few other things.

Money is pollution's biggest driving force -- particularly, the cash invested in dirty energy projects, says financial responsibility campaigner Lucie Pinson. She shares a three-pronged approach to stop banks from funding fossil fuel...

New research looks into how snow falls on Mars, and scientists have been looking into other things falling from the sky onto planets: diamonds!

Still wondering why leaves are green and not purple or even black? CHLOROPHYLL! It's how leaves work.

Caitlin Hofmeister gives you the latest news from around the universe, including Kepler's latest exoplanet discovery, an upcoming solar eclipse, and a breathtaking image from Hubble.

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...

We've run, jumped, and stomped all over the world of Super Mario, but, where in the universe is Super Mario EXACTLY? It's virtual so it obviously DOESN'T exist but if it did, could Super Mario world be in our solar system? And what do...

In a friendly, high-speed presentation, Will Wright demos his newest game, Spore, which promises to dazzle users even more than his previous masterpieces.

We've been to the moon, we've mapped the continents, we've even been to the deepest point in the ocean -- twice. What's left for the next generation to explore? Biologist and explorer Nathan Wolfe suggests this answer: Almost everything....

New research suggests that Venus’ patterned crust might currently be more active than we thought! Astrophysicists have also modeled the orbits of mysterious objects between Jupiter and Neptune, and found that they could have come from...