SpaceX had a pretty good 2024. Elon Musk’s company broke its own record for most launches in a single year, continued pushing the boundaries of rocket reuse and made serious strides toward getting Starship, its next-generation megarocket, up and running. Oh, and Musk has apparently entered the inner circle of President-elect Donald Trump, wielding political … Read more
This image shows the constellation Ursa Major the Great Bear. The seven brightest stars (at upper left) are the Big Dipper. Credit: Tony Hallas Although it’s visible all year round from mid- and high-northern latitudes, now is a great time of the year for newcomers to stargazing to look for and find the famous star … Read more
Scientists believe that at the heart of all large galaxies lurk supermassive black holes, cosmic titans with masses equivalent to that of millions or even billions of suns. Yet some black holes exceed even these monstrous masses to become “ultramassive black holes.” The most massive black hole that we are currently aware of is Phoenix … Read more