solar system
Discover more about the solar system by exploring our corner of the known universe. Here you’ll journey to all the planets in our solar system, learn about moons and find out more about our sun.
Interesting Facts About Saturn You Need to Know
Let's look at the sixth planet in our solar system, Saturn. Here are ten interesting facts about Saturn. Learn more now!
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What Does the Life Cycle of a Star Look Like?
Here's a closer look at the life cycle of a star, and how the size and mass of one of these stellar bodies affect its existence.
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More Than Spirals: Facts About Elliptical Galaxies
Spiral galaxies aren't the only ones out there in the night sky. Here is an exploration of some intriguing facts about elliptical galaxies.
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Exploring the Characteristics of Terrestrial Planets
Exploring the characteristics of terrestrial planets may not seem as exciting as you think, but wait until you find out that there's a whole lot in store for you to marvel over.
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A Little Strange: Facts About Irregular Galaxies
What happens if a galaxy isn't spiral, barred spiral or elliptical? Let's explore facts about irregular galaxies.
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7 Fascinating Space Documentaries to Watch Today
Looking for something new and intriguing to watch? Here are seven awesome space documentaries to check out today.
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20 Solar System Facts: The Ultimate Guide to Our Solar System
Let's take a look at our closest stellar neighbors. Here are some fantastic solar system facts that you might not have known.
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Interesting Facts About Neptune You Need to Know
What makes Neptune, the beautiful blue gas giant, so special? Check out these interesting facts about Neptune to learn more.
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Saturn’s Moons: An Oasis in the Outer Solar System
From lakes of liquid methane to alien ocean life, Saturn is an oasis in the outer reaches of our solar system, with incredible discoveries waiting to be found!
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The Jovian Planets: When Will We Visit the Outer Solar System?
Here’s a look into the future, at what a mission to the moons of Jupiter or Saturn might look like.
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Interesting Facts About Uranus You Need to Know
Uranus is one of the biggest gas giants that we've ever seen. Check out these facts about Uranus now.
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Unlocking New Knowledge: Facts About the Milky Way and Recent Developments
Check out these facts about the Milky Way to get reminders of things you might have learned before, plus information about recent discoveries.
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Why is a Wet Dress Rehearsal Important Before Launch?
Before the uncrewed Artemis 1 mission can even head toward the stars, the first step is a wet dress rehearsal. What is this and why is it crucial before a launch?
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How Many Types of Galaxies are There?
There are more than two trillion galaxies in the known universe. To classify types of galaxies, scientists use a few different approaches.
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Interesting Facts About Mars You Need to Know
It's the final inner planet and named after the Roman god of war. Here are some interesting facts about Mars. What fact surprised you?
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Making Up the Universe: What Are Cosmic Objects?
There is so much more to the universe than what meets the eye. Explore some of the objects that make up our universe, from stars to distant galaxies and black holes.
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More Than Stars in the Sky: Exploring Types of Planets
Not everything twinkling in the night sky is a star. Let's explore the different types of planets and where we might find them.
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Interesting Facts About Pluto You Need to Know
Our last stop in the solar system is Pluto, the former ninth planet. Check out these interesting facts about Pluto. Which ones did you know?
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Interesting Facts About Mercury You Need to Know
What do you know about the planets in our solar system? Keep reading to learn interesting facts about Mercury, the closest planet to the sun.
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Should We Terraform Mars?
So why is NASA so excited to get to Mars? And is there anything we can do to make it easier for humans to live and breathe on Mars?
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The Coolest Planetary Moons in Our Solar System
Ice volcanoes, ocean life, and methane rain: from Luna to Titan, these are the most exciting moons in our solar system!
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Building a Space Shuttle: Did You Know It Can Take Years?
Building a space shuttle is a huge feat. What does it take? What challenges do individuals and commercial companies face with this knowledge?
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10 Reasons Why Space Exploration is Inspiring
Here are 10 of the many missions that have helped inspire further space exploration & contribute to our ever-growing wonder & appreciation for the universe.
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More Than One Sun: Exploring Binary Stars
Our home solar system only has one star, but that isn't the case for the rest of the universe. What are binary stars?
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Exploring the Mysteries of the Kuiper Belt
The Kuiper Belt could reveal the story of our solar system’s formation billions of years ago. Here's what awaits at the edge of deep space.
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It Looks Like Home: Facts About Barred Spiral Galaxies
The Milky Way Galaxy is the one we call home, but what is it? Let's explore facts about barred spiral galaxies.
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Interesting Facts About Jupiter You Need to Know
This massive gas giant is the first of the outer planets. Here are 10 interesting facts about Jupiter to know about this giant celestial being.
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Interesting Facts About Venus You Need to Know
Our tour of the solar system continues with Venus. Here are some facts about Venus every budding astronomy enthusiast should know.
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Facts About Nebulae: More Than Just a Dust Cloud
The universe is full of unique and beautiful things that we're just beginning to understand. Come explore some fact about nebulae.
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Dark Matter: The Universe We Can’t See
To this day, no scientific instrument have yet detected the existence of dark matter particles. But lo and behold, there is evidence that indicates it is real!
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Jupiter’s Moons: The Most Exciting Corner of the Solar System
Jupiter's moons are among the largest and most unique moons in the solar system -- and they might even harbor alien life!
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Not Just Gas: Exploring Jovian Planet Characteristics
Jupiter. Saturn. Uranus. Neptune. What Jovian planet characteristics set these gas giants apart in the solar system?
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Spinning in the Black: Facts About Spiral Galaxies
The Milky Way Galaxy — the one we call home — is a type of spiral galaxy. Let's explore some facts about spiral galaxies!
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Stellar Classification: Do You Know the Different Classes of Stars?
Did you know that there are different types of stars in the night sky? Keep reading to learn about stellar classification and what their differences mean.
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Interesting Facts About Earth You Need to Know
We continue our journey across the solar system to discuss some interesting facts about Earth. What makes our own planet so interesting? Learn more now!
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Extraterrestrial Objects: What Do We Really Know?
Extraterrestrial objects may not be what you think. From exoplanets to ocean moons, the universe could be full of alien life.
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The Known Universe: What Do We Know So Far?
We know that space is big, but exactly how big is it? There's a lot of space out there in the known universe—what do we know so far?
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How to Become an Astronaut: Everything You Need to Know
If you're wondering how to become an astronaut, a bachelor’s degree is only the minimum requirement. It takes years of training to become an astronaut.
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Catacylismic Variable Stars: An Introduction
Cataclysmic variable stars are unique binary systems that feature one star donating mass to another.
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What Made the Spitzer Space Telescope Unique?
Telescopes help researchers learn about the universe. Spitzer Space Telescope could see infrared radiation. What legacy did Spitzer leave? Learn more now!
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A Flash in the Night Sky: Exploring Types of Supernovae
Stars might seem eternal but when they reach the end of their life, they go out without a bang. What are the different types of supernovae?
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Exciting New Discovery! Fossil Stars Found in the Milky Way
When scientists discovered Terzan 5, they assumed it was a globular cluster. However they found more than they bargained for.
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How Juno Helps Uncover Jupiter’s Secrets & the Mysteries of the Solar System’s Formation
A NASA probe named Juno, a small sample of Earthly rocket science, will hopefully be the key to uncovering some secrets about the fifth planet from the sun.
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The Complete Guide to the Terrestrial Planets
From scorching Venus to the deserts of Mars, this is your guide to our solar system's terrestrial planets.
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After the Flash: Exploring a Supernova Remnant
High-mass stars can explode, becoming a supernova. What’s left after the explosion? Learn more about the supernova remnant now.
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Does the TRAPPIST-1 System Have Too Much Water to Support Life?
One of the most exciting exoplanet discoveries in recent years is the TRAPPIST-1 System — anywhere from five to seven planets orbiting a sun, with at least a few of them in the star's habitable zone. Is it possible for a system like this to be too good to be true? Could a planet have too much water to support life?
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Not Just Gas: Exploring Jovian Planet Characteristics
Jupiter. Saturn. Uranus. Neptune. What Jovian planet characteristics set these gas giants apart in the solar system?
Exploring the Mysteries of the Kuiper Belt
The Kuiper Belt could reveal the story of our solar system’s formation billions of years ago. Here’s what awaits at the edge of deep space.
Exploring the Characteristics of Terrestrial Planets
Exploring the characteristics of terrestrial planets may not seem as exciting as you think, but wait until you find out that there’s a whole lot in store for you to marvel over.
The Coolest Planetary Moons in Our Solar System
Ice volcanoes, ocean life, and methane rain: from Luna to Titan, these are the most exciting moons in our solar system!
The Complete Guide to the Terrestrial Planets
From scorching Venus to the deserts of Mars, this is your guide to our solar system’s terrestrial planets.
The Jovian Planets: When Will We Visit the Outer Solar System?
Here’s a look into the future, at what a mission to the moons of Jupiter or Saturn might look like.
Saturn’s Moons: An Oasis in the Outer Solar System
From lakes of liquid methane to alien ocean life, Saturn is an oasis in the outer reaches of our solar system, with incredible discoveries waiting to be found!
More Than Stars in the Sky: Exploring Types of Planets
Not everything twinkling in the night sky is a star. Let’s explore the different types of planets and where we might find them.
It’s Just a Phase: Facts About The Moon
The moon is our only natural satellite, but did you know it’s slowly drifting away? Check out these awesome facts about the moon.
Where Are We With Solar System Exploration?
We’ve spent a lifetime dreaming of the stars. Where are we with solar system exploration and what will it take to reach the stars?
The Known Universe: What Do We Know So Far?
We know that space is big, but exactly how big is it? There’s a lot of space out there in the known universe—what do we know so far?
20 Solar System Facts: The Ultimate Guide to Our Solar System
Let’s take a look at our closest stellar neighbors. Here are some fantastic solar system facts that you might not have known.