Planets

ocean waves with the setting sun

How Did the Oceans Get Their Names?

The Origins of the 5 Ocean Names

Earth-Like Planets: Are We Alone in the Universe?

The Search for Exoplanets and Extraterrestrial Life

auroras on the giant planet jupiter, red spot on the giant planet

Jupiter Fun Facts: Moons, Red Spot, and New Discoveries from NASA’s Juno Mission

How Many Moons Does Jupiter Have? Amazing Facts About the King of Planets

Mercury Planet

Planet Mercury: Its Real Color and More Fun Facts

All about Mercury, the planet closest to the Sun

Rocket Flying to Mars

How Long Does It Take to Get to Mars? Travel Time, Facts, and Challenges

The Mars Journey Timeline

how to see saturn at it's brightest for the year, saturn in opposition

Saturn at Opposition in 2025: See Ringed Planet at Its Brightest

Tips on how see Saturn at its closest point to Earth

Planet Neptune at Opposition! Close Visit by a Strange Planet

Planet Neptune: 10 Facts About the Other Blue Planet

digital image of the earth spinning

How Fast Does Earth Spin (and Why Don't We Feel It)?

Think You’re Standing Still? Think Again. Discover the Incredible Speeds at Which You're Spinning, Orbiting—and Why You Don’t Feel a Thing.

Mars, the red planet

The Planet Mars, Earth's Neighbor

Explore Mars’s Fiery Past, Harsh Climate, and Earthlike Geography

What's the Slowest-Spinning Planet?

Venus, Saturn, and Molasses

Planets Visible Tonight

Planet Rise & Set Calculator

Why Is Pluto Not a Planet?

What is a Planet, why Pluto was reclassified, and how Pluto got its name

Solar system planets in order

Discover the Planets in Order From the Sun

Let’s Really Know the Planets

Four bright planets

A Giant Planetary Alignment on January 25? Get the Facts About An Amazing Planet Display.

See the best planet display in years. That part is true.

Venus: 10 Fun Facts About the Hottest Planet!

Our Sister Planet—and UFO?

Saturn and its rings

A Perfect Time to See Saturn

Saturn in Opposition

Fascinating Facts About Saturn

Learn About Saturn, the Real Lord of the Rings!

Red, White and Blue: Antarctic Ice!

This Week's Amazing Sky: The Evening Star

Shifty Poles: When Magnetic Poles Flip

See Saturn and Jupiter in Early Fall

And the Center of Everthing

What's the Fuss About Carbon Dioxide? Lessons From Venus and Mars

How Carbon Dioxide Shaped Earth, Mars, and Venus

Let Venus Find You!

Neptune's Rings Captured by New Webb Telescope

Plus, lots of Neptune planet facts!

Visible Planets on Parade: Which is Your Favorite?

The most beautiful planets are back in the night sky!

Looking for Planet Nine

Will It be Safe for Humans to Go to Mars? Maybe Not.

Our limitation isn't technology, it's our own human physiology

June's Honey Moon: The Lowest of the Year