Oumuamua: Asteroid that flew past Earth could have been a spacecraft sailing past us, Harvard scientists suggest
"A more exotic scenario is that 'Oumuamua' may be a fully operational probe sent intentionally to Earth vicinity by an alien civilization"
Sponges from Mars? Study suggests water on the red planet could support life
Although the current strategy is to search for signs of ancient life on Mars, current life should be detectable too if present
Telescopes pick up huge number of unexplained signals coming from alien galaxies
The blasts of radio waves are still unexplained & some blame extraterrestrial intelligent life!
