Dead star's cannibalism of its planetary system is most far-reaching ever witnessed

Sierra Space to open world's first commercial human spaceflight center and astronaut training academy to train the future astronaut corps for the new commercial space economy, with company offices at Kennedy Space Center. Sierra Space aims to begin professional astronaut selection process in 2023

SpaceX's Starship gets closer to launch—but the future of its Texas Starbase is in doubt

China’s Lunar Lander Finds Water Under its Feet