5 Cratered Facts About Mercury
2. It once had an imaginary friend called Vulcan.... READ ON
NASA Announces Winners of the 'Space Poop Challenge'
Last year NASA asked for help dealing with space poop, and the public came through.... READ ON
Museum Finds Winston Churchill’s Lost Essay on Extraterrestrial Life
The essay is pure Churchill: expansive, informed, philosophical, and just a little bit cranky.... READ ON
Photographer Creates Detailed Exoplanets Out of Styrofoam
Adam Makarenko takes a grade school science project to new heights.... READ ON
New Imaging Technique Reveals Baby Pictures of Our Universe
Clearing visual noise from Hubble images exposed glittering fields of old, old, old galaxies.... READ ON
6 Unexpected Consequences of a Solar Eclipse
Fear ye not, stargazer.... READ ON
Big Question
How Does the Restroom in the International Space Station Work?
The absence of gravitational acceleration makes things a bit different.... READ ON
10 Weird Planetary Phenomena Discovered by Amateur Astronomers
Some seriously stellar discoveries have been made by at-home stargazers.... READ ON
Astronaut Records Elusive "Blue Jet" Lightning From Space
This is the clearest footage ever captured of the rare phenomenon.... READ ON
Look Up! It's the Snow Moon Lunar Eclipse Comet Spectacular
A trifecta of celestial entertainment arrives tomorrow night.... READ ON
A Fireball Landed in Lake Michigan This Morning
The meteorite’s flaming descent was visible from Kentucky to Canada.... READ ON
The Apollo Astronaut Who Was Allergic to the Moon
In 1972, geologist Harrison Schmitt became the only professional scientist to ever put boots on the Moon. And then he began sneezing.... READ ON
On This Day in 1971, Apollo 14 Golfers Arrived on the Moon
The next day, Alan Shepard swung his smuggled six-iron.... READ ON
Give Your Favorite Astronomer a Heart Nebula Necklace or Cuff Links
Make Valentine's Day out of this world.... READ ON
Dive Inside Saturn’s Rings With Gorgeous New NASA Images
New pictures from the Cassini orbiter are some of the most extreme close-ups we’ve ever gotten of the gas giant’s main rings.... READ ON
Big Question
If the Universe Is Expanding, What Does It Expand Into?
The universe doesn't have to be expanding into anything in order to expand.... READ ON