ESA's first mission to another world, the Mars Express orbiter, began circling the Red Planet on June 2, 2003. Ever since, ...
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NASA is about to send people to the moon — in a spacecraft not everyone thinks is safe to fly
As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some experts are worried about the Orion spacecraft’s heat shield.
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