SPACE

Quiz: Can You Put the Planets in Order Based on the Length of Their Days?

See if you can tackle this astronomical challenge.

Can Astronauts Get Drunk in Space?

NASA officially prohibits alcohol aboard its missions, but that didn’t stop some American astronauts from enjoying a wee nip with their Russian colleagues.

7 Fascinating Facts About the Sun

Get ready to feel small: The sun is 99.8 percent of the mass of the solar system. Here are more colossal facts about our star.

Quiz: Can You Guess the Foods That Went to Space?

Figure out which of these tasty treats have left Earth to become astronaut appetizers or meals.

A fireball streaks through the sky in Chelyabinsk, Russia, in 2013.

It’s Fireball Season: Spot Meteors Brighter than Venus this Spring

Learn about the mysteries of fireball season, which peaks in the weeks around the vernal equinox.

Where Does Astronaut Poop End Up?

It burns up in the atmosphere like a fecal shooting star.

America’s entry into the space Olympics.

The Secret Cold War History of the Missile That Launched America’s First Satellite

On January 31, 1958, the United States became a space-faring nation with the Explorer-1 satellite.

Can You Match the Moon to the Planet It Belongs To?

Time to test your knowledge of astronomy.

The 10 States Most Likely to Survive an Alien Invasion

Did your state make the list of state most likely to endure an extraterrestrial encounter?

11 Space Facts That Will Change Your Perspective

If the sun were the size of a basketball, the Earth would be no larger than a pinhead.

Valentina Tereshkova in a Russian poster.

Valentina Tereshkova, the First Woman in Space

The factory worker-turned-cosmonaut dealt with plenty of sexism while trying to keep her spacecraft on track.

What Happens If You Shoot a Gun in Space?

Space shootouts are possible. The Soviets proved it.

John Denver really wanted to go to space.

When John Denver Almost Went into Space

The country music icon spent years trying to get higher than any musician had ever been.

Astronauts Piers J. Sellers (left) and David A. Wolf in the midst of a pre-breathe exercise in preparation for a spacewalk.

How Do Astronauts Breathe in Space?

Engineers have had to come up with some interesting ways to generate oxygen for astronauts in the vacuum of space.

The Milky Way over Monument Valley in Arizona.

10 Astonishing Things You Should Know About the Milky Way

The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.

In space, it isn’t just number one and done.

To Boldly Go: The Science Behind Pooping in Space

Coming up with a practical way of replicating the earthbound poop experience took many years, many engineers, and a whole lot of ingenuity.

You likely have a chance to see the total lunar eclipse in March!

Don’t Miss the “Blood Moon” Total Lunar Eclipse Coming in March

The total lunar eclipse on March 13–14 will cause a “blood moon” visible from coast to coast.

NASA astronaut Scott Kelly watches a bunch of fresh carrots float in front of him on the International Space Station.

11 Daily Tasks That Are Hard to Do in Space (And How Astronauts Actually Do Them)

NASA scientists have figured out ways for astronauts to eat bread without leaving crumbs, shower without running water, and sleep without floating free from their beds.

The Berlin Wall was a symbol of the Cold War from 1961 to 1989.

11 Chilling Facts About the Cold War

The U.S. and USSR employed spies, quelled internal dissent, made allies abroad, and stockpiled nuclear weapons in this proxy war.

What Happens When an Astronaut Gets Sick in Space?

Sick astronauts on a space mission can’t just pop down to Earth to see a doctor. Here’s how they deal with bumps, bruises, and worse.

Katherine Johnson at NASA's Langley Research Center, 1980.

10 Fascinating Facts About Katherine Johnson

Before she helped send the first astronauts to the moon, Katherine Johnson was a human “computer” working behind the scenes at NASA.

Skylab 2 commander Peter Conrad attempts to take a shower aboard the spacecraft in 1973.

How Do Astronauts Shower in Space?

Here on Earth, we tend to take showering for granted. But getting clean isn’t so easy without the force of gravity helping you out.

The Last Starfighter | Official Trailer | 4K

9 Things You Might Not Have Known About ‘The Last Starfighter’

It might not have garnered the box office success of movies like ‘E.T.’ and ‘Back to the Future,’ but more than 40 years after its release, ‘The Last Starfighter’ has acquired a cult following.

Star Wars Tamagotchi Lets You Lead Darth Vader to the Dark Side

The Tamagotchi gets an update with this Darth Vader edition, complete with mini-games, character interactions, and lightsaber training.