I took a trip to one of Austin's famous moontowers so I could put the enormity of our solar system into perspective. With the help of a grapefruit, and a lot of walking, you'll get an idea of just how tiny everything is out there!!

Elon Musk thinks that we can make Mars habitable by nuking it. But would that really work?

Around 20 years ago NASA launched a spacecraft to study the comet Wild-2. What it brought back would cause scientists to wonder whether the building blocks of life could have arrived at Earth on a comet.

If you could pilot a spaceship into Jupiter and Saturn, would you ever hit anything solid? And what's it like in there? SciShow Space takes you on a tour of the two biggest gas giants in the solar system.

Get to know Olympus Mons on Mars, the biggest volcano in the solar system, and find out why a planet that's smaller than Earth has volcanoes that are bigger than ours!

Our journey through the solar system continues, as Jessi gives you a close look at comets and asteroids!

In which John Green, Hank Green, and Emily Graslie teach you about our Sun, and the formation of the planets. We're going to focus on the formation and development of the Earth, because that's where people live. You'll learn about the...

The planets in our solar system have a very specific order. But have you wondered why they have the order they do?

Explore the four inner rocky planets, as Jessi and Squeaks take you on a tour of the solar system!

Explore the four gas giant planets, as Jessi and Squeaks take you on a tour of our solar system!

An inside out planetary nebula has given astronomers insight into what might happen in our own solar system someday, and it's that time of year again to search for shooting stars.

Astronomers found a galaxy older than almost any we’ve ever seen before, and we have a new, faster method to use in our search for habitable planets.

Tag along with Jessi and Squeaks to learn how to make your very own model of the Solar System!

New ReviewImagine humans evolving inside Saturn’s icy rings — taller but weaker without gravity, pale yet resilient against the cold, their skin hardened by flying ice and dust.

New ReviewSpace is full of mysteries — from Odd Radio Circles that may be supernova remnants or even wormhole throats, to Jupiter’s fleeting blue sprites and elves flashing above storms.

Explore the beauty of "Saturn" with our catchy video that makes learning about this ringed planet exciting and fun! Perfect for kids, this tune will spark your imagination and teach you fascinating facts about Saturn and its stunning rings.

Explore the wonders of "Planets" with our catchy video that makes learning about the solar system fun! Perfect for kids, this tune will spark your imagination and teach you fascinating facts about each planet.

This video is answering the question of what types of planets are in the solar system.

This video is answering the question of what do scientists think is on Uranus.

This video is answering the question of what are the seasons like on Uranus.

This video is answering the question of how are asteroids like planets.

NASA’s Habitable Worlds Observatory "will draw on technologies proven by the agency’s Hubble, Webb and upcoming Roman Space Telescopes," to search for life outside our solar system, according to the Goddard...

Researchers have discovered the most similar planet yet to Earth, 1,400 light-years away. Kepler-452b orbits its star in 385 days, just 20 days longer than our own year. Its star is just 4% larger, a billion and a half years older, and...

Something heavy seems to be causing Uranus and Neptune to move in a different orbit than what we can currently account for with the celestial objects we know of. Is there a 9th planet? Does planet 9 exist? Is planet X...