Undiscovered ‘alien’ life forms that thrive without sunlight in temperatures approaching boiling point may soon come to light, thanks to a groundbreaking Irish-led marine research mission aboard the national research vessel RV Celtic Explorer. In collaboration with scientists from the UK’s National Oceanography Centre, the researchers are due to sail from Galway for the mid-Atlantic Ridge July 13. The voyage is being filmed for the National Geographic Channel for inclusion in an upcoming series about the ocean....