April 3 (UPI) --NASA's Artemis II crew left Earth orbit Thursday evening en route for the moon, marking a milestone not reached in more than 50 years. The Orion spacecraft began a scheduled 5-minute, ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This ...

NASA's Artemis II mission achieved a significant milestone Thursday night, as its astronauts successfully fired their engines, propelling them out of Earth's orbit and onto a trajectory toward the ...

The Artemis II astronauts broke out of Earth orbit and headed for the moon Thursday, firing their main engine for nearly six minutes to boost the ship’s velocity to 24,500 mph, the speed required to ...

Every time I see the moon in the sky, it makes me happy. The big picture of the moon’s origin is fairly well established.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The moon-bound crew of NASA’s Orion spacecraft — named ...

Back in 1972, the crew of Apollo 17 left low-Earth orbit and headed for the Moon. It was to be the final mission of the program, and the last time humans ventured that far out into space. Until now, ...