How to invade planet Earth: An alien's guide to bringing the human race to its knees

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

We Could Seed Alien Life Elsewhere in the Universe—But We’ll Never Undo the Devastating Consequences, Scientists Caution

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...