Using the Spektr-RG (SRG) space observatory, astronomers from the Russian Academy of Sciences have inspected a radio-loud quasar known as SRGA J2306+1556, which is extremely luminous in the X-ray ...

Four space tourists who orbited the north and south ... of the Dragon capsule with a polar region of the Earth in the background on Tuesday, April 1, 2025. Credit: SpaceX via AP SpaceX said ...