Location of sighting: Earth's Moon
Now before you jump to conclusions know this, this is the same pulsing UFO that was seen on Feb 1996, when hundreds of similar UFOs shot near as the STS-75 mission scientist hoped to deploy the tether to a distance of 20.7 kilometres (12.9 mi). Over 19 kilometers of the tether were deployed before the tether broke due to contact with a giant throbbing UFO. The UFO looks biological and may actually be a single living creature that lives in space. If (tardigrades) "water bears" can survive in space then so can other creatures.
Eyewitness states: I was filming the Moon when what looks like a giant transparent UFO appeared. It circled around for a few minutes before disappearing.
Jump to 2:30 min into the video to see the tether and UFOs.