XRISM allowed astronomers to track plasma as it circled the supermassive black hole at a distance of around 0.1 light-years away. This material gradually moved inwards to a distance of around 0.001 ...
Crew-9, SpaceX's ninth operational commercial crew mission for NASA, will lift off Thursday, Sept. 26, at 2:05 p.m. EDT (1805 GMT). NASA astronaut Nick Hague and Russian cosmonaut Aleksandr Gorbunov ...
Thirteen of the 20 Starlink craft that went up today can beam service directly to cellphones, a relatively new capability SpaceX is building out in LEO. The first direct-to-cell Starlink satellites ...