Jay Mark Johnson - Spacetime

After traveling a greater distance from Earth than any humans before them, the astronauts of Artemis II have safely returned home.

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.

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.

Splashdown for the Artemis II crew is scheduled for Friday evening, and NASA will livestream the historic homecoming.

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet.

The moon is not just a barren rock orbiting the Earth. The Artemis missions could answer the great unknowns that the satellite holds.

The crew of Artemis II will not descend to the moon, but their capsule will fly over the far side of its surface.

The mission commander’s email inbox failed during the journey to the moon. Have they tried turning the computer off and back on again?

Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.

Our top Apple Watch recommendation fluctuates in price. If you're in the market, now's a good time to buy.

That’s good news, since the forecast is sunshine for the next 5 billion years.

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.