Artemis II astronauts are nearing the moon for what will be a six-hour, non-stop lunar flyby that may reveal fresh images of the dark side of the moon.

The four Artemis II astronauts in Orion are preparing for their lunar flyby on Monday, April 6, during which they be eclipsed as they become the most distant humans.

Artemis II's astronauts will fly around the moon Monday, April 6. Here's what they'll see and how you can watch the historic lunar flyby live. (NASA)

Four astronauts embarked on a high-stakes flight around the moon Wednesday, humanity's first lunar voyage in more than half a century and the thrilling leadoff in NASA's push toward a landing in two years.

The four Artemis 2 astronauts will see a solar eclipse from beyond the moon's far side on Monday evening (April 6), and they'll use the opportunity to make some science observations.

Central Indiana's 2026 total lunar eclipse will be obscured by clouds. Here's how to watch the 'blood moon' live.

Watch a stunning time-lapse captured by NASA’s Lucy spacecraft as it witnesses a lunar eclipse from deep space. See the Earth, Moon, and shadow align in a rare cosmic perspective you can’t experience from the ground.

The astronauts will stick close to home for the first 25 hours of their 10-day test flight, checking out the capsule in orbit around Earth before firing the main engine that will propel them to the moon.