SpaceX’s experimental test of metallic heat shield tiles for the Starship vehicle ended in failure, with the tiles degrading rapidly under extreme thermal stress. The setback exposes a significant ...

NASA is sending some astronauts on a little trek out of Earth's orbit and around the moon, which is just the start of its current plans to send crewed missions back to the lunar surface. This is an ...

Two spacewalking astronauts, working outside the international space station late Thursday, wrapped up tests with a gooey repair material for damaged shuttle heat shielding that NASA hopes it never ...

Now that NASA has resolved the question of the Starliner spacecraft and its two crew members on the International Space Station, the agency faces another high-stakes human spaceflight decision. The ...

On the eve of the first crewed flight of the Artemis program, NASA’s top leadership has zeroed in on a single, unforgiving piece of hardware: the Orion capsule’s heat shield. The final go or no-go ...

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