SPACE

Meet Luciana, the New American Girl Doll Who Wants to Be an Astronaut

The character dreams of being the first person to visit Mars.

New Year, New Sky: A January Skywatching Guide

The New Year brings a great meteor shower, a rarely visible planet, a "blue moon," and a total lunar eclipse.

In a composite photo, the International Space Station passes in front of the Sun during the total eclipse on August 21, 2017.

What We Learned So Far From The Total Solar Eclipse of 2017—And Why There's Much More to Come

"From a NASA perspective, there is no other single event that has informed so many scientific disciplines."

Live in Idaho? Look Up at the Nation's First Dark Sky Reserve

Skies over a 1400-square-mile section of the Gem State will be protected to preserve an increasingly rare natural wonder: starry nights.

Look Up! You Could Spot Santa in the Sky Tonight, Courtesy of the International Space Station

Just in case the eaten cookies and answered letters weren't convincing enough.

The Fascinating Device Astronauts Use to Weigh Themselves in Space

When conventional scales don't work, they use this instead.

Watch Astronauts Assemble Pizza in Space

Even astronauts get pizza cravings.

New Jersey Is Now Home to the Western Hemisphere's Largest Planetarium

A $5 million donation made the state-of-the-art science hub possible.

Neutron Star Collision Sheds Light on the Strange Matter That Weighs a Billion Tons Per Teaspoon

The bizarre material just got a little less mysterious.

'Super-Earth' Exoplanet Could Potentially Support Life (And It Also Has a Neighbor)

K2-18b orbits a red-dwarf star in the constellation Leo, and it's situated in the perfect zone to have liquid surface water.

Voyager 1's Back Thrusters Just Fired Up for the First Time in 37 Years

Imagine trying to start a car that's been sitting in a garage for decades—and the car is 13 billion miles away.

What Is Infinity?

Let's try to wrap our heads around it.

Meteor Showers, a Supermoon, and the Solstice: A Guide to the December Night Sky

It's been a great year for sky watching, and the universe had a little more in store for us before 2017 ends.

You Can Now Get Your Own Copy of the Voyager 'Golden Record'

Even Carl Sagan, who created it, was turned down by NASA when he asked for one.

More Details Emerge About 'Oumuamua, Earth's First-Recorded Interstellar Visitor

The cigar-shaped asteroid is 10 times longer than it is wide and was probably flung from a young stellar system, location unknown.

Watch NASA Test Its New Supersonic Parachute at 1300 Miles Per Hour

Woah.

A composite image of Uranus by Voyager 2 and two different observations made by the Hubble Space Telescope

8 Giant Facts About Uranus

FYI, this ice giant is not pronounced "your anus," but rather, "urine us" … which is hardly an improvement.

Astronomers Discover Another Earth-Like Planet Near Our Solar System

Introducing Ross 128 b.

How Much Does the Moon Weigh?

The answer isn't so simple.

An artist's conception of the dwarf planet Ceres in the main asteroid belt.

8 Astounding Facts About the Asteroid Belt

The asteroid belt tells the story of the creation of the solar system.

The Mental Floss Guide to the November Night Sky

It's a great month for skywatching.

Scientists Spot the First Interstellar Visitor to Our Solar System

"We have been waiting for this day for decades."

Get in the Halloween Spirit With a NASA-Curated Playlist of Spooky Space Sounds

Plasma waves, stardust showers, and Jupiter lightning would sound right at home in a haunted house.

Thanks to NASA, the Search for Habitable Worlds Just Got Easier

And you know what that means: Aliens!! (Kind of.)

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