Space

The much-hyped event is finally happening on Monday, August 21.

Kenneth Snyder, Flickr // CC BY-NC-ND 2.0

It's easily the best meteor shower of the year.

Did you know Ceres may be the key to mining on the asteroid belt?

Neil Armstrong, who would have turned 87 years old today, is remembered as both a "reluctant American hero" and "the spiritual repository of spacefaring dreams and ambitions."

Eisenhower signed the legislation largely in response to the USSR's various Sputnik satellites.

Steve Brown's star photography is out of this world.

Wake a few hours before sunrise tomorrow and you can start your day with some shooting stars.

Bill Nye and Neil Gaiman are also involved in the project.

Philipp Salzgeber // CC BY-SA 2.0 via Wikimedia Commons

In an astronomical coincidence, two men discovered the comet simultaneously on July 23, 1995.

A software error coupled with a radar failure led to the loss of NASA's first Venus probe.

The Soyuz TMA-20M spacecraft at the Baikonur Cosmodrome in Kazakhstan in 2016.

Satellites above Kazakhstan captured exhilarating time-lapse images of a Soyuz rocket taking flight.

If you’re lucky enough to witness this spectacular astronomical phenomenon, make sure you bring your eclipse glasses—and a thermometer.

Particles transmitted from the ground successfully reappeared more than 300 miles above Earth on an orbiting satellite.

NASA / SwRI / MSSS / Gerald Eichstädt / Seán Doran © PUBLIC DOMAIN

The first raw images of the Earth-sized hurricane were released today. Thanks, NASA!

A calculator will tell you how many more chances you'll get to see a total solar eclipse, and where you'll have to go to spot it.

NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

Days on the planet closest to the Sun may reach 800°F, but it also has water ice.

9. NASA flatly denies one of the insinuations made in the film.

The STS-135 crew got morning wakeup calls from Beyoncé, Paul McCartney, Michael Stipe, and Elton John.

In honor of World UFO Day (on July 2), here are 12 accounts of flying objects that remain fascinating for believers and skeptics alike.

The "year" lasted 18 months.

Did you know a Jovian year is 4333 Earth days long?

The most anticipated eclipse in American history is coming this summer. At the heart of it is Hopkinsville, Kentucky, which anticipates 100,000 visitors. Mental Floss takes a look behind the small town's preparations—and a deep dive into the passionate su

Bread is banned on the ISS, but a German company aims to change that by bringing fresh rolls to microgravity.

The view from above—sometimes way above—has revealed lost cities, forgotten pyramids, and ancient trading routes.

This Newspaper Article Was Hyping the 2017 Eclipse All the Way Back in 1932

Look Up! The Perseid Meteor Shower Peaks This Weekend

6 Little-Known Facts About Ceres

6 Memorable Letters From Neil Armstrong

On This Day in 1958, NASA Was Created

Photograph Captures the Dazzling Hues of the 'Rainbow Star'

Look Up! The Southern Delta Aquariids Meteor Shower Is Here

Neil deGrasse Tyson Recruits George R.R. Martin to Work on His New Video Game

Remembering Comet Hale-Bopp's Unlikely Discovery

On This Day in 1962, NASA Launched and Destroyed Mariner 1

Here’s What a Rocket Launch Looks Like from Space

Will the Solar Eclipse Have an Impact on the Weather?

Chinese Scientists 'Teleport' an Object Into Space

Here's the Closest View of Jupiter's Great Red Spot That Humans Have Ever Seen

How Many Solar Eclipses Will You Be Able to See In Your Lifetime?

7 Hot Facts About Mercury

10 Starry Facts About Contact

Remembering the Final Space Shuttle Mission

Foreign Relations: 12 Notorious, Alleged UFO Incidents

A Brief History of the International Geophysical Year

7 Astounding Facts About Jupiter

How Eclipse Chasers Are Putting a Small Kentucky Town on the Map

Astronauts Are Getting a Space Bakery

4 Amazing Archaeological Discoveries Spotted by Satellite