Artemis II will test NASA’s crew capabilities in deep space and gather more information that could ultimately help send astronauts to Mars.

NASA's Artemis II mission is set to launch Wednesday, sending four astronauts on a 10-day journey around the moon and back to Earth. While the mission will not include a landing, it marks a major step forward in returning humans to deep space.

Elim Garak, it could be argued, is one of the most interesting characters on "Star Trek: Deep Space Nine," and that's saying something. Garak was first introduced in the show's second episode, "Past Prologue" (January 10,

The Artemis II mission launches this week as a first step toward returning to the moon and reaching Mars. Materials scientist Debbie Senesky explains the material tech that makes these missions possible.

When NASA's Artemis II crew blasted off Wednesday on humanity's first crewed journey toward the moon in more than 50 years, they brought with them cutting-edge technology, years of training, and one d