Chinese astronauts study ancient microbes aboard Tiangong space station (video)
Hubble Telescope spies a very sparkly mini-galaxy (image)
Boeing's Starliner spacecraft will attempt to return to Earth without a crew on Friday
Wildfire destroys 20% of Brasilia forest, arson suspected
Blue Origin droneship arrives in Florida ahead of 1st New Glenn launch (video, photos)
'There was some tension in the room', NASA says of decision to bring Boeing's Starliner spacecraft home without astronauts
Asteroid will imminently burn up in Earth’s atmosphere over Philippines
A huge asteroid crash permanently altered Jupiter's biggest moon Ganymede
