On the planet K2-18b, very, very far away, as much as 124 light years from Earth, the atmosphere is full of gas that smells unpleasantly like boiled radishes and which supposedly can only be produced by living organisms. Have we finally, and right now, at the most inconvenient hour, found life beyond Earth
Populating the cosmos is incomparably more difficult than it seems in science fiction novels and movies. The various "vorps," tachyon and antimatter engines, "wormholes," and other exotic artefacts of the universe that enable faster-than-light travel through shortcuts in space and time are more a result of our frustration with our own limits than a demonstration of an idea based on scientific fact. We are where we are and we will stay there for a long, long time
