KENNETH CHANG

A day after SpaceX called off the flight of a spacecraft from Intuitive Machines of Houston, the company is ready to begin its lunar journey.

The space agency said that Artemis II, a trip around the moon, will now occur in September 2025, while a moon landing, Artemis III, will...

After a flawless launch to orbit, the privately built robotic Peregrine lander is unlikely to reach the lunar surface because of a failure in its...

The United Launch Alliance rocket will be the first in a series of new launchers that could chip away at SpaceX’s hold over the space...

Here’s what you need to know about United Launch Alliance and the robotic lunar spacecraft it is sending to orbit.

A researcher who has studied the icy world said “the prospects for the development of life are getting better and better on Enceladus.”

Decades after sending it to design purgatory, the space agency celebrates a logo it still calls the worm.

The journeys of Starship’s two parts ended in separate explosions. But the engineers at Elon Musk’s spaceflight company overcame problems that marred the rocket’s first...

Elon Musk’s private space company is hoping for a better performance of the giant rocket, which is the most powerful ever to fly.

Companies are looking to commercialize advances made by federally supported research labs in the quest for boundless energy.