known universe

Let's look at the sixth planet in our solar system, Saturn. Here are ten interesting facts about Saturn. Learn more now!

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.

Spiral galaxies aren't the only ones out there in the night sky. Here is an exploration of some intriguing facts about elliptical galaxies.

What happens if a galaxy isn't spiral, barred spiral or elliptical? Let's explore facts about irregular galaxies.

What makes Neptune, the beautiful blue gas giant, so special? Check out these interesting facts about Neptune to learn more.

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.

Uranus is one of the biggest gas giants that we've ever seen. Check out these facts about Uranus now.

Check out these facts about the Milky Way to get reminders of things you might have learned before, plus information about recent discoveries.

Let's take a look at our closest stellar neighbors. Here are some fantastic solar system facts that you might not have known.

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?

Looking for something new and intriguing to watch? Here are seven awesome space documentaries to check out today.

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! 

This massive gas giant is the first of the outer planets. Here are 1 interesting facts about Jupiter to know about this giant celestial being.

There are more than two trillion galaxies in the known universe. To classify types of galaxies, scientists use a few different approaches.

Not everything twinkling in the night sky is a star. Let's explore the different types of planets and where we might find them.

Here’s a look into the future, at what a mission to the moons of Jupiter or Saturn might look like.

This exploration of the solar system involves Pluto, the former ninth planet. Check out these interesting facts about Pluto. Which ones did you know?

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?

Our tour of the solar system continues with Venus. Here are some facts about Venus every budding astronomy enthusiast should 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.

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?

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.

Ice volcanoes, ocean life, and methane rain: from Luna to Titan, these are the most exciting moons in our solar system!

The Milky Way Galaxy is the one we call home, but what is it? Let's explore facts about barred spiral galaxies.

Here are 10 of the many missions that have helped inspire further space exploration & contribute to our ever-growing wonder & appreciation for the universe.

Building a space shuttle is a huge feat. What does it take? What challenges do individuals and commercial companies face with this knowledge?

Two astronauts got stuck in space after a Boeing spacecraft malfunctioned. Their mission was supposed to last just eight days—but will likely take at least ten months. Headline-worthy stories like these seem rare. However, they are relatively common.  What happens in situations like this? Does the International Space Station (ISS) have enough supplies for unexpected…

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!

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.

Our home solar system only has one star, but that isn't the case for the rest of the universe. What are binary stars?

The universe is full of unique and beautiful things that we're just beginning to understand. Come explore some fact about nebulae.

Jupiter's moons are among the largest and most unique moons in the solar system -- and they might even harbor alien life!

Jupiter. Saturn. Uranus. Neptune. What Jovian planet characteristics set these gas giants apart in the solar system?

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.

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!

The Milky Way Galaxy — the one we call home — is a type of spiral galaxy. Let's explore some facts about spiral galaxies!

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.

In the past, people never expected airplanes to become an accessible form of leisure travel. Could this mindset be changing for the modern age? Will you be able to buy a ticket for a rocket ship like you can a plane? Utterings of up-and-coming space tourism might be the next investment for luxury thrill seekers.…

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?

Extraterrestrial objects may not be what you think. From exoplanets to ocean moons, the universe could be full of alien life.

Beyond Mars, but before you reach Jupiter, is a belt made up of asteroids.What do we know about this asteroid belt? Learn more now!

From scorching Venus to the deserts of Mars, this is your guide to our solar system's terrestrial planets.

Telescopes help researchers learn about the universe. Spitzer Space Telescope could see infrared radiation. What legacy did Spitzer leave? Learn more now!

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?

Ever wonder what happens to a star after it dies? Let's explore more about that and exciting facts about neutron stars.

Cataclysmic variable stars are unique binary systems that feature one star donating mass to another.