(Image credit: NASA/ Q.D. Wang) Gaze up at the Sagittarius constellation, and you are looking at the center of the galaxy. It may not look like much to the naked eye (especially if a bunch of is blocking your view), but to the world's sharpest and telescopes, the archer hides a chaotic collage of black holes , exploding stars, magnetic fields and inexplicable bubbles of gas.

The Perseverance Mars rover landed safely yesterday, but only after a series of complex maneuvers as it descended at high speed through the atmosphere, known by the team as the "seven minutes of terror." NASA has just shared a hair-raising image of the rover as it dangled from its jetpa...