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?

These Are the 4 Artemis II Astronauts Leading the Historic Return to the Moon

The Artemis II mission crew includes the first woman, the first Black person, and the first non-American astronaut to travel to the lunar environment.

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.

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.

The Trip to the Far Side of the Moon

As soon as April 1, four people will embark on a journey that will take them farther from the Earth than anyone has ever traveled before.

Interstellar Comet 3I/Atlas Has Another Surprise: It’s Full of Alcohol

Analysis of the tail of 3I/Atlas reveals that it contains an anomalous proportion of methanol, a class of alcohol used in fuels.

Don’t Expect Big Surprises in the Government’s Alien Files

Donald Trump has ordered the release of files related to aliens, UAP, and UFOs. If previous disclosures are any indication, get ready for a letdown.

NASA Is Making Big Changes to Speed Up the Artemis Program

America’s journey back to the moon has run into a few missteps. NASA administrator Jared Isaacman is banking on a new approach.

This Is the Worst Thing That Could Happen to the International Space Station

There’s a good way to throw out the ISS. And then there’s a really bad way.

NASA Delays Launch of Artemis II Lunar Mission Once Again

A failure in the helium flow of the SLS rocket has prompted NASA to delay the Artemis II moon mission. Rather than March 6, the launch is now targeted for April.