Saint Theresa of the Aliens (Unabridged‪)‬

The aliens have made contact with us, and they're very alien indeed. What's worse, they bring news that will shake the world's religions to their core. Who will stand up to them? Saint Theresa believes God has called her to do so in this novelette, a Nebula Award finalist.
Author James Patrick Kelly is a two-time winner of the Hugo Award and a 2007 Nebula Award winner. His stories appear frequently in Asimov's Science Fiction, and he writes the magazine's "On the Net" column. Publishers Weekly has called him "a meticulous craftsman in the demanding short-story form".