It isn't the first time the ISS has spotted something odd
The Mariana Trench is best known for being the deepest part of the ocean, plunging all the way down almost 11,000 m (36,000 ft) at its lowest known point
The rover will explore a zone called Oxia Planum, a former lake close to the equator
As temperatures begin to rise across Australia
Follow the deep water cycle
Existing technology could be used to produce an infrared beam bright enough to be spotted by intelligent alien civilizations
"A more exotic scenario is that 'Oumuamua' may be a fully operational probe sent intentionally to Earth vicinity by an alien civilization"
Although the current strategy is to search for signs of ancient life on Mars, current life should be detectable too if present
The blasts of radio waves are still unexplained & some blame extraterrestrial intelligent life!