The question of whether we are alone in the universe has fascinated humanity for centuries. Despite decades of searching, we’ve yet to receive a definitive signal from extraterrestrial life. One ...

"We've sent out one or two little messages, but we certainly aren't investing billions of dollars shouting out into the ...

In fantasy worlds, trees like the Lord of the Rings’ Ents are agile and mobile. In the real world, they’re slow.