A mysterious golden orb found on the sea floor has baffled scientists. It was discovered on 30 August, but tests are still under way to determine the object's origin. The egg - as some speculate it might be - was found by marine biologists aboard a vessel run by the National Oceanic and Atmospheric Administration (NOAA) in the US, off the coast of Alaska. Admitting they can't tell where it came from, the group shared a picture on social media, taken from a live stream of its deep dive. "This golden orb, likely an egg casing, struck an imaginative chord for many watching yesterday," the NOAA wrote. The image shows a ... (full story)