Astronomers have identified asteroid 2025 PN7 as a quasi-moon, a space rock that travels alongside Earth in a similar orbit around the Sun.

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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, ...

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 engine firing provided a slingshot-like boost to the Orion capsule, speeding it to 24,500 mph, the velocity needed to break free of Earth's gravitational clasp for a trek to the moon.

The Orion spacecraft kicked on its main engine for nearly six minutes, providing as much as 6,000 pounds of thrust, the equivalent needed to accelerate a car from 0 to 60 in about 2.7 seconds, to push ...

The Artemis II astronauts may have launched on a historic lunar mission, but they're not quite on their way toward the moon just yet. Ahead, the four crew members – NASA astronauts Reid Wiseman, ...

CAPE CANAVERAL, Fla. (AP) — NASA’s Artemis II astronauts fired their engines and blazed toward the moon Thursday night, breaking free of the chains that have trapped humanity in shallow laps around ...