Cosmic Seeds of the Biggest Black Holes Avi Loeb·November 24, 2022As any gardener knows, growth is initiated by seeds. What were the seeds that enabled supermassive black holes to grow so early in cosmic history?
As Hydrogen Leak Sets Back Artemis I Launch, Here’s What’s Next for NASA’s Moon Mission Micah Hanks·September 4, 2022NASA’s Artemis mission saw significant setbacks on Saturday, after engineers were unable to resolve a hydrogen leak in an interface connecting the liquid hydrogen fuel feed line with the Space Launch System (SLS) rocket.