Efforts to manage invasive alien plant species in forests could be held back by a continued reliance on chemical methods, ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Before his death, Stephen Hawking consistently warned humanity against contacting aliens. As interest in UFOs and little ...

In an ambitious show at the Kulturstiftung Basel H. Geiger in Switzerland, Chloe Wise has a 34-minute film that addresses ...

Prime Minister Mark Carney heads to the NATO summit in Turkey as allies face pressure to boost defence spending and manage ...