CAPE CANAVERAL, Fla. (AP) — After weeks of fuel leaks and other issues, NASA faced a trouble-free countdown Tuesday on the eve of astronauts' first trip to the moon in more than half a century.

NASA’s Boeing Co. rocket just propelled astronauts farther into space than ever before. The Trump administration is already looking to competitors for a replacement. About a week before the $24 ...

Rotating detonation rocket engines (RDREs) work differently from conventional designs. Typical rocket engines rely on a ...

A rocket largely built in Louisiana is powering the Artemis II mission to the moon. NASA's Michoud Assembly Facility in New Orleans manufactured nearly 90 percent of the rocket. Artemis II is NASA's ...

If you're going to send a crew of astronauts about 250,000 miles away, you're gonna need a big rocket to get them off the ground and on their way. At 322 feet tall, NASA's Space Launch System rocket ...

CAPE CANAVERAL, Fla. — 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 Earth ...

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 Earth in the decades since ...

After weeks of fuel leaks and other issues, NASA faced a trouble-free countdown Tuesday on the eve of astronauts' first trip to the moon in more than half a century. Officials reported the moon rocket ...

NASA's Artemis II rocket is ready for takeoff, and the biggest moon moment in over half a century is just about two days away. Trump’s $10 billion IRS lawsuit hits stumbling block How much do the ...

Add Yahoo as a preferred source to see more of our stories on Google. From left, Canadian Space Agency astronaut Jeremy Hansen and NASA astronauts Reid Wiseman, Victor Glover and Christina Hammock ...