The TV series Alien:Earth has introduced a number of new creatures to the much loved, albeit terrifying, Alien franchise. But how realistic are the new aliens? That's a question that we—a trio of ...

The search for alien life has mostly focused on water, oxygen, and distant Earth-like planets. Now another clue has entered the picture. Researchers say living systems may leave behind a hidden ...

The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a new theory is shifting the focus—what if life elsewhere in the universe ...