The unmanned robotic lander suffered periodic engine and communications failures during the landing sequence.
13 Apr 2019 10:25 AM
Scott Kelly experienced thickening of the carotid artery and retina, weight loss, shifts in gut microbes, and a lot more.
13 Apr 2019 9:54 AM
Black holes, phenomenally dense celestial entities, are extraordinarily difficult to observe despite their great mass.
13 Apr 2019 9:42 AM