President Donald Trump has explained why he pulled the nomination of Jared Isaacman for NASA chief at the last minute. Trump announced in December 2024 that he had chosen Isaacman,

This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Professional astronomers don’t make discoveries by looking through an eyepiece

NASA’s troubled efforts to get prized Martian samples to Earth could get a lifeline, if a new proposal for a more cost-effective mission architecture gets the go-ahead. The Perseverance rover

NASA’s Cassini spacecraft has flown through the plumes of water vapor spewing out from the ocean inside Saturn’s moon Enceladus on multiple occasions, which has allowed researchers to determine the

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