The Thrill-Seeking Billionaire and SpaceX Astronaut Poised to Run NASA
A private space traveler and jet-fighter pilot, Jared Isaacman is preparing to run the U.S. space program after decades ...
Webb telescope finds Milky Way black hole never stops strobing light
A new study using NASA 's James Webb Space Telescope has revealed a variety of light coming from the black hole Sagittarius A* — or rather its accretion disk, the ring of rapidly spinning material ...