SPACE

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.

Don't miss the Southern Delta Aquarid and Alpha Capricornid meteor showers in late July.

Don't Miss the Rare Double Meteor Shower at the End of July

Astronomy enthusiasts are in for an amazing treat this month.

Typical northern lights over Longyearbyen. The “exceptionally gigantic” polar rain aurora was even bigger.

An “Exceptionally Gigantic” Polar Rain Aurora Blanketed the Arctic Sky

The ultra-rare event puzzled scientists for more than a year—but a new study suggests that “polar rain” and a lack of solar wind caused the ginormous aurora.

How Do Astronauts Get Drinking Water on the ISS?

Astronauts spending time at the International Space Station stay hydrated with a refreshing, filtered blend of recycled shower water and pee.

The northern lights—caused by solar or geomagnetic storm—float over Tromsø, Norway.

12 Stunning Facts About Solar Storms

Solar storms are one of the most extreme types of space weather, and big ones can cause electronic malfunctions, GPS breakdowns, and gorgeous northern lights.

Space has a starting point, but where it begins is still a topic of debate for experts.

Where Does Space Begin?

Some experts believe the Kármán Line is the deciding factor, but others aren't in agreement about where the frontier of space really begins.

The Full Flower Moon Will Dazzle Skies This Month

Skygazers know that the arrival of May’s full moon—dubbed the “flower moon”—is a harbinger of warmer weather, burgeoning plants, and animal activity.

Horsehead Nebula Captured Like Never Before in New Images

The James Webb Space Telescope has captured the sharpest images of the Horsehead Nebula ever taken.

Is Mercury retrograde really the reason you computer crashed? Here's what an expert has to say about it.

What Is Mercury in Retrograde, and Why Do We Blame Things on It?

Mercury retrograde will make the planet appear to move backwards. No, that doesn’t mean your electronics or your relationships will fail.

Artist's concept of red giant triggering thermonuclear reaction in white dwarf.

How to See the Super-Bright Star Nova Set to Explode Any Minute

If you missed this year's total solar eclipse, this is your chance to see another once-in-a-lifetime celestial event.

The Lyrids meteor shower will light up skies around Earth Day.

The Lyrid Meteor Shower Peaks on Earth Day in 2024

Make some time for the Lyrid meteor shower and you’ll probably see shooting stars zooming across the heavens every few minutes.

A stained-glass window at the Coats Observatory near Glasgow, Scotland, depicts William Herschel.

How an Amateur Astronomer Discovered Uranus

In 1781, William Herschel looked through his telescope and saw Uranus.

Watch: The Great North American Solar Eclipse Livestream

Experience the total solar eclipse on April 8, 2024 from the comfort of your phone or laptop.

Your pooch probably won’t stare at the sun during the total solar eclipse.

Should You Keep Your Pets Indoors During a Solar Eclipse?

Humans will gaze in awe at the sun during the Great North American total solar eclipse on April 8, 2024, but for your pets, it will be just a normal day.

An early photograph for a total solar eclipse.

Watch a 124-Year-Old Video of a Solar Eclipse

The clip of the solar eclipse, recorded by a magician Nevil Maskelyne in 1900, could be the oldest footage of an astronomical event ever filmed.

Mars rover captures first ever sound of dust devil

7 Fascinating Facts About Martian Dust Devils

Martian dust devils have been intriguing astronomers and climatologists for decades. Here’s some amazing trivia about these red planet whirlwinds.

Map showing the path of the 2024 total solar eclipse.

NASA's Interactive Eclipse Map Tells You Where and When to Get the Best View

If you want to experience the solar eclipse on April 8, this interactive tool has everything you need to know.