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Artemis II: Everything We Know as Its Crew Approaches the Far Side of the Moon
Artemis II remains on course for its lunar flyby as the crew shares historic photos of Earth, tests key systems for future lunar missions, and attempts to fix the toilet.
Javier Carbajal
The Trajectory of the Artemis II Moon Mission Is a Feat of Engineering
The astronauts will arrive about 10,300 kilometers beyond our satellite, breaking all previous records for distance from Earth. But how was their route chosen?
Luca Nardi
Even Artemis II Astronauts Have Microsoft Outlook Problems
The mission commander’s email inbox failed during the journey to the moon. Have they tried turning the computer off and back on again?
Jeremy White
You Can Approximate Pi by Dropping Needles on the Floor
Who needs a supercomputer when you can calculate pi with a box of sewing needles?
Rhett Allain
Artemis II Astronauts Witnessed 6 Meteorites Colliding With the Moon
The moon gets hit by space debris all the time, but some of it is so large that the impact generates light that can be seen thousands of kilometers away.
Jorge Garay
The Future of the Artemis Program Is Riding on Reentry
Entire space programs have been canceled after a failure in the reentry phase. In the final test for Artemis II, astronauts will travel at 32 times the speed of sound as they return from the moon.
Jorge Garay
A Billionaire-Backed Startup Wants to Grow 'Organ Sacks' to Replace Animal Testing
R3 Bio has a bold idea for replacing lab animals: genetically-engineered whole organ systems that lack a brain. The long-term goal, says a cofounder, is to make human versions.
Emily Mullin
Artemis II Mission Launches Successfully
The crew of Artemis II will not descend to the moon, but their capsule will fly over the far side of its surface.
Jorge Garay
Your Vape Wants to Know How Old You Are
Companies hope that biometric age-verification tech in cartridges could put flavored vapes back in business. But it's unlikely to solve the real problems.
Boone Ashworth
Firewire's Neutrino Looks Like an Ironing Board and Takes Off Like a Shot
Firewire makes the most innovative surfboards in the industry. This winter, I tried the Neutrino, Machado, and Revo Max to see if they're worth the hype.
Brent Rose
The US Military’s GPS Software Is an $8 Billion Mess
The GPS Next-Generation Operational Control System was due for completion in 2016. Ten years later, the software for controlling the military’s GPS satellites still doesn’t work.
Stephen Clark, Ars Technica
Snake Bros Keep Getting Bitten by Their Lethal Pets. Only Zoos Can Save Them
Your venomous serpent bites you, and the clock is ticking. America’s zookeepers—and a cooler full of rare antivenom—are your best chance of survival.
Claire McNear


