Donald Trump has appointed Sean Duffy as acting NASA administrator after withdrawing the nomination of Jared Isaacman, sparking discontent among supporters.

Sean Duffy will temporarily take over as NASA administrator, left vacant after Trump withdrew the nomination of billionaire Jared Isaacman. The decision has sparked controversy, particularly from Elon Musk, who backed Isaacman. Under the Trump administration, NASA is facing looming layoffs and budget cuts that could affect science programs.