Obsession is maybe too hard-edged; interest too soft. But from “Close Encounters of the Third Kind” and “E.T” to his new sci-fi thriller “Disclosure Day,” Steven Spielberg has spent nearly the entire ...

As Steven Spielberg releases a new film on extraterrestrials, here's a brief history of modern alien conspiracies and why scientists are now taking UFO reports seriously. Amid all the unanswered ...

The introduction of a species of invasive flies to Fiji as a means of pest control has turned out to be one such example, which now serves as a warning in conservation studies. Since the Fijian ...