Space

The Southern Sky is full of celestial wonders.

If you’re a North American observer, you’ve only ever really seen half of what the night sky has to show.

Buzz Aldrin used the felt-tip pen to activate an engine switch, saving the lives of everyone on board.

The Carina Nebula stellar nursery as captured by NASA's James Webb Space Telescope

NASA has released the deepest, clearest images of the universe ever captured.

Look closely at a sunflower, and you'll see the distinct spiral in its center.

Fibonacci developed his theory based on rabbit population growth, but you'll find the golden ratio in everything from flowers to outer space.

The strawberry moon (June's full moon) isn't pink as its name suggests, but it is the most colorful moon of the lunar calendar.

Four UFOs appeared in the sky at 9:35 a.m. on July 15, 1952 over a parking lot in Salem, Massachusetts.

Project Blue Book's questionnaire had sections for describing UFOs and even sketching pictures.

A space tourism company plans on launching an orbiting hotel faster than some cities fix potholes.

More of the moon's many mysteries may soon be revealed.

The moon samples have been chilling out in cold storage since 1972.

The black moon at the end of April comes with a bonus spectacle: the first partial solar eclipse of 2022.

In the last weeks of April, Venus, Mars, Saturn, and Jupiter will form a planetary quartet.

A strong geomagnetic storm is forecast for March 31, and the northern lights could be visible in parts of the lower 48 states as a result.

Look out for a NASA rocket launch Monday night if you live in Delaware, Maryland, New Jersey, North Carolina, Pennsylvania, Virginia, or West Virginia.

A new Christie's auction features chunks of Mars, the Moon, and the only known meteorite to ever cause a fatality. (It was a cow.)

Venus, also known as the morning star, will appear more dazzling than usual when it reaches peak brightness in early February 2022.

The 555-carat black carbonado diamond is purported to be from outer space, though some experts are questioning its origin story.

At the Kennedy Space Center in Florida, Apollo 11 astronaut Buzz Aldrin participates in a ceremony renaming the refurbished Operations and Checkout Building for Apollo 11 astronaut Neil Armstrong, the first person to set foot on the moon.

Buzz Aldrin is best known as the second astronaut to walk on the moon, but he also holds a Guinnnes World Record.

Here's what you should know about 2021's full cold moon, include the meaning of the name and the best time to see it.

NASA’s Goddard Space Flight Center/Jeremy Schnittman

It's hard not to feel unsettled by this 360-degree VR video simulation of what it's like to get sucked into a black hole.

Farming on Mars may not be as easy as it looks in 2015’s ‘The Martian,’ but a new Heinz ketchup suggests it might be possible.

Photo: Justin Sullivan/Getty Images. Illustration: Justin Dodd/Mental Floss

Eclipse-chasers will travel all the way to Antarctica to catch the next total solar eclipse on Saturday, December 4.

Three planets over the La Silla Observatory in Chile.

This Thanksgiving, star-gazers can be thankful for a trio of planets lining up in the night sky after sunset.

PHOTO: MICHAEL KAPPELER /GETTY IMAGES. ILLUSTRATION: JUSTIN DODD/MENTAL FLOSS

In the early morning hours of November 19, a partial lunar eclipse will turn the micro beaver moon reddish brown.

Steve Wozniak wants to make space garbage-free.

Apple co-founder Steve Wozniak is looking to monetize the space debris clogging the stars with Privateer, a kind of galactic garbage company.

The core sample seen in its not-yet-sealed titanium tube.

More than half a year after NASA’s Mars rover, Perseverance, landed on the Red Planet, it secured its first pet rock.

11 Dazzling Southern Hemisphere Constellations You Should Know

The Pen That Saved Buzz Aldrin and the 'Apollo 11' Crew Is Set to Go to Auction

See Mind-Blowing Photos of the Deep Universe from NASA's James Webb Space Telescope

6 Fascinating Places to See the Fibonacci Sequence

June’s Strawberry Moon Will Light Up the Skies on Tuesday Morning

Think You Spotted a UFO? See What the 1952 Questionnaire for Reporting Sightings Looked Like

Pioneer Station, a Space Hotel That Can Accommodate 28 People, Could Be Open by 2025

NASA Has Begun Studying Samples of the Moon's Surface Collected 50 Years Ago

Don't Miss This Weekend's Black Moon Partial Solar Eclipse

Wake Up Early This Month to See Venus, Mars, Saturn, and Jupiter Aligned in a Dazzling Display

'Significant Solar Flare' Could Make the Northern Lights Visible in the Contiguous U.S. Tonight

NASA's Launch of the Terrier-Improved Malemute Rocket Could Be Visible From the East Coast

You Can Own a Piece of Mars—Provided You Have $800,000

You Can Catch a Glimpse of Venus at Its Brightest in February

The Enigma, a 555-Carat Black Diamond That’s Said to Be From Outer Space, Is Hitting the Auction Block

10 Fascinating Facts About Buzz Aldrin

The Last Full Moon of 2021 Is Coming This Weekend—Here’s What To Know About the Cold Moon

Experience What It’s Like to Fall Into a Black Hole With This 360-Degree VR Video

Heinz’s New Ketchup Was Made From Tomatoes Grown in a Mars-Like Greenhouse

The Only Total Solar Eclipse of 2021 Falls Over Antarctica in December

See Venus, Saturn, and Jupiter Align on Thanksgiving

Catch a Partial Lunar Eclipse of the Micro Beaver Moon this November

Steve Wozniak Wants to Clean Up Space Trash

NASA’s Perseverance Rover Just Collected the First-Ever Rock Sample From Mars