Bill Nelson has stepped down as NASA administrator, ending a half-century of public service. Janet Petro is now the agency's ...

Ars Technica recently had the opportunity to speak with NASA Administrator Bill Nelson, who has now led the US space agency for more than three years. We spoke about budget issues, Artemis program ...

Jared Isaacman, a billionaire pioneer of private space travel, was confirmed last month as NASA's 15th administrator.

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