Molly McGovern, the daughter of U.S. Rep. Jim McGovern, died unexpectedly while on a trip in Italy, the Massachusetts congressman's office said Thursday. She was 23 years old. ABC News' Phil Lipof and ...

The short ride garnered publicity for the crew with little recognition for those who made it possible. At least it added to ...

"With only lunar soil and a basic ingredient from the sun — which is always spitting out hydrogen — there's a possibility of ...

From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.

Exactly 35 years ago this week, the Hubble Space Telescope was released from the Space Shuttle Discovery cargo hatch. Four ...

NASA's Artemis campaign will use human landing systems, provided by SpaceX and Blue Origin, to safely transport crew to and from the surface of the moon, in preparation for future crewed missions to ...

The hybrid motor combines solid fuel with gaseous oxygen to generate a powerful exhaust stream, mimicking the conditions of a real lunar lander.

Amid Blue Origin's space flight mayhem, meet some of the most famous female astronauts who journeyed and contributed to space ...

GILBERT, Ariz. — The first piece of a new space station that will orbit the moon is now sitting inside a clean room in Gilbert. NASA and Northrop Grumman unveiled the module to the public Tuesday, ...