The space agency's James Webb Space Telescope discovered a molecule called dimethyl sulphide, or DMS, on the distant planet, which on Earth can only be produced by life, according to a report from the BBC.
"On Earth, DMS is only produced by life. The bulk of it in Earth's atmosphere is emitted from phytoplankton in marine environments," University of Cambridge Profesor Nikku Madhusudhan, who led the research, told the BBC. More @ https://www.foxnews.com/us/nasa-detects-molecule-another-planet-only-produced-by-life
The biggest dissapointment of all will be that the invasion will be footage from the Independence Day movie.
They don't like the movie, so in their mind no one does, so it would be a safe bet no one will recognize them.
Welcome to Earth Green Slime.