How Many Moons Does Jupiter Have Latest Count 2024

I remember looking through a telescope in my backyard as a kid. I felt amazed when I saw Jupiter's bright light. Back then, we...

What Is a Constellation? A Beginner’s Guide to the Sky’s 88 Star Patterns

A constellation is a group of stars that forms a recognizable pattern in the night sky, one we've given a name, usually after a mythological figure, animal, or object. There are 88 of them officially recognized, and together they map out the entire sky....

How Many Planets Are There? The Real Answer Is Bigger Than Eight

There are eight planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn,...

What Is a Galaxy? A Simple Guide to the Great Islands of Stars

A galaxy is an enormous collection of stars, gas, dust, and dark matter, all...

What Is an Exoplanet? How Astronomers Find Worlds We Can’t Even See

For most of human history, the only planets anyone knew about were the ones...

How to See the Northern Lights: Your Complete Guide to Catching the Aurora in 2026

Seeing the northern lights in person is one of those experiences that reorganizes your...

How Far Is the Sun From Earth? The 93-Million-Mile Answer and Why It Keeps Changing

The Sun sits an average of about 93 million miles (150 million kilometers) from...

How Old Is the Universe? The 13.8-Billion-Year Answer and How We Measured It

The universe is about 13.8 billion years old. More precisely, 13.787 billion years, give...

How Will the Universe End? The Three Leading Theories

Every star will eventually burn out, every galaxy will drift apart, and given enough time, even atoms themselves might not survive. Physicists genuinely don't...

How Do Astronauts Sleep in Space Explained Simply

Did you know astronauts see 16 sunrises and sunsets every day? This fast pace...

How Many Moons Does Jupiter Have? The 2026 Count

Jupiter has 115 officially recognized moons as of August 2026, according to NASA and...

How Many Planets Are There? The Real Answer Is Bigger Than Eight

There are eight planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn,...

Galaxies & Deep Space

Supermoon: What It Really Is, Why It Happens, and When to Catch the Next One

A supermoon is a full moon that lines up with the Moon's closest approach...

What Is a Constellation? A Beginner’s Guide to the Sky’s 88 Star Patterns

A constellation is a group of stars that forms a recognizable pattern in the...

How Many Planets Are There? The Real Answer Is Bigger Than Eight

There are eight planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn,...

What Is a Galaxy? A Simple Guide to the Great Islands of Stars

A galaxy is an enormous collection of stars, gas, dust, and dark matter, all...

How Far Is the Sun From Earth? The 93-Million-Mile Answer and Why It Keeps Changing

The Sun sits an average of about 93 million miles (150 million kilometers) from...

The Beginning to the End of the Universe: Will Black Holes Die?

Black holes have this reputation as the ultimate cosmic bullies. They swallow stars, rip...

What Is a Nebula? The Birthplace of Stars Explained

Have you ever looked up at the night sky and wondered where our sun...

Mercury: A Complete Look at the Closest Planet to the Sun

Mercury doesn't get nearly as much attention as flashier neighbors like Mars or Saturn,...

The Rings of Neptune: The Solar System’s Faintest, Strangest Halo

Everybody knows Saturn has rings. They're the poster child, the show-off of the solar...

Upcoming Meteor Showers: The Complete Rest-of-2026 Calendar

Six more meteor showers cross Earth's path before the year is out, and two...

What’s the Difference Between a Galaxy and a Solar System?

These two terms get mixed up constantly, and honestly, it's an easy mistake to...

Astronomers Just Answered a Question That’s Haunted Exoplanet Hunters for 20 Years

For two decades, the search for another Earth has run into the same maddening...

What Is Dark Matter and Why Can’t We See It Explained

Did you know that roughly 85 percent of the cosmos remains completely hidden from...

What Is a Black Hole? A Friendly Guide to Space

Stephen Hawking once remarked, "Look up at the stars and not down at your...

Planets

The Taurus Constellation: How to Find the Bull, Its Red Eye, and Two Dazzling Star Clusters

Some constellations make you work to see the picture. Taurus practically hands it to you. There's a fiery orange star for the bull's eye, a perfect V of stars for its face, and a sparkling little cluster riding just above like a tiny dipper....

Which Planets Have Rings? Saturn Isn’t Even the Biggest One

Ask most people which planet has rings, and Saturn is the only answer you'll...

Jupiter: Size, Distance From the Sun, and Orbit

Jupiter took most of the leftover material from the Sun's own formation, ending up...

How Many Galaxies Are There in the Observable Universe?

Have you ever stood outside on a clear, dark night and felt truly small?...

How Many Galaxies Are There in the Universe?

Try to imagine every grain of sand on every beach on Earth. Now imagine...

Space Missions

What Is a Waxing Moon?

If you've ever looked up at the Moon and noticed that it seems to be getting bigger night after night, you're watching what astronomers...

Heads Up: A Solar Storm Is Hitting Earth Tomorrow, Aurora Possible

A coronal mass ejection launched from the Sun on August 14 is due to...

How Far Is the Sun From Earth? The 93-Million-Mile Answer and Why It Keeps Changing

The Sun sits an average of about 93 million miles (150 million kilometers) from...

How Will the Sun Die? Understanding When Does the Sun Explode (or Fade Away)

Its a question that pops into almost everyone's head at some point, usually somewhere between a late night documentary and a genuine 3am existential spiral. When does the sun explode, and should we actually be worried about it? The good news is, you've got...

The Artemis 2 Trajectory Explained: Inside NASA’s Historic Moon Mission

For the first time in over fifty years, human beings left low Earth orbit and traveled out toward the Moon. Artemis 2 launched on...

Planet Earth

Astronomers Just Caught a Star’s Death in Its First Second, Only the Second Time Ever

At 12:30 p.m. UTC on March 21, 2026, a Chinese space telescope called the...

How to Tell Which Planets Are Visible Tonight: A Simple Guide to Spotting Them With Your Own Eyes

You've probably done it without even thinking. You glance up on your way inside,...

How Do Black Holes Form: The Violent Death That Gives Birth to the Universe’s Darkest Objects

There's a star in the Andromeda galaxy that simply vanished. Astronomers had been watching...

What Happens to the Human Body After a Year in Space?

"Exploration is in our nature," said Neil Armstrong. This urge drives us to explore...

The Pleiades Star Cluster: A Guide to the Seven Sisters, the Sky’s Prettiest Handful of Stars

On a crisp autumn or winter night, away from the worst of the city glow, look up and you'll eventually notice a tiny, tight little knot of stars that almost looks like a smudge or a miniature dipper. People spot it, squint, and often...

All Articles

How Hot Is the Sun? A Layer-by-Layer Look at Our Star’s Blistering Temperatures

How hot is the sun? It depends entirely on which part you mean. The...

Why Do Stars Twinkle? The Simple Science Behind the Sky’s Sparkle

Here's the twist that surprises almost everyone: stars don't actually twinkle. Not really. The...

What Is the Temperature on Mars? The Highs, the Lows, and Why the Red Planet Is So Cold

The temperature on Mars averages about −60 °C (−80 °F), which makes it far...

What Is a Planet? The Three Simple Rules That Decide, and Why Pluto Failed Them

A planet is a world that orbits the Sun, is round, and has swept...

Regulus Star: The Little King at the Heart of Leo the Lion

Look toward the constellation Leo on a spring evening and you will find a...

Asteroid 2029 Apophis: Will It Hit Earth on Friday the 13th?

Short answer first, because it's the question everyone actually wants settled: no. Asteroid 2029...