How will humankind react after astronomers hand over rock-solid scientific evidence for the existence of life beyond the Earth? No more speculating. No more wondering. The moment scientists announce this discovery, everything will change. Not least of all, our philosophies and religions will need to incorporate the new information.
Searching for signs of life
Astronomers have now identified thousands of planets in orbit around other stars. At the current rate of discovery, millions more will be found this century.