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.

Astronauts face lots of challenges, including what to do with dirty underwear.

Do Astronauts Do Laundry in Space?

Tossing stinky socks in a washer isn’t really an option once you leave Earth.

What‘s less frequent than northern lights? Their opposite: anti-auroras.

Rare, Black ‘Anti-Auroras‘ Spotted in Alaska

Anti-auroras are even less common than the northern lights.

In Outer Space, Where Does a Compass Point?

On Earth, compasses always point north—but when you’re drifting outside our planet’s magnetosphere, things get more complicated.

The northern lights are an event to remember.

Missed the Northern Lights This Year? Scientists Say They’re About to Get More Active

If the northern lights are on your bucket list, the 2026 to 2027 winter season will be exciting for you.

New Jupiter Images Paint a Detailed Picture of the Gas Giant

These processed images of Jupiter make the planet look like a painting.

Green space Japan set to test world's first wooden satellite | REUTERS

The First Wooden Satellite Is Headed To the International Space Station

A type of wood commonly used to make Samurai sword sheaths may be the future of space exploration.

Why Is Space a Vacuum?

Roborock has teamed up with Mental Floss to explain why space is a vacuum—all while pushing the boundaries of smart cleaning technology back on Earth.

Presented by Roborock

Roborock’s S8 MaxV Ultra robot vacuum in space.

Roborock Sends the First Robot Vacuum to Space

Roborock’s S8 MaxV Ultra robot vacuum became the first robot vacuum to go to space as part of the company’s “Cleaning Beyond Limits” campaign.

Presented by Roborock

A coronal mass ejection shoots out from the sun.

“Severe” Solar Storm Might Bring Northern Lights to the Deep South

Scientists just observed a powerful solar storm that could carry the northern lights over the lower 48 in the near future.

Being an astronaut isn’t as glamorous as you were led to believe.

10 Surprising Facts About Your Childhood Dream Jobs

In the latest episode of The List Show, we’re tackling some fun facts—and the occasional harsh truth—about the careers you imagined for yourself as a kid.

Now is the perfect time to add the northern lights to your bucket list.

The 10 Most Affordable Places to See the Northern Lights

Planning to see the northern lights soon? Take a look at these hotel prices before booking your trip.

We'll see some gorgeous views later this month.

Don’t Miss the Harvest Supermoon Partial Lunar Eclipse This Month

This fall, sky-gazers will be treated to a supermoon and a partial lunar eclipse on the same night.

Scientists can now better understand how supermassive black holes and stars interact.

See How Black Holes Shred Stars in This Groundbreaking Simulation

A scientific breakthrough in astrophysics demonstrates how stars and supermassive black holes interact.

Asteroid That Wiped Out Dinosaurs Likely Came From the Outer Solar System

Chemical signatures from the Chicxulub asteroid’s impact—which caused a mass extinction on Earth 66 million years ago—match those of carbonaceous meteorites formed beyond Jupiter.

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