“Weird”, “alien” and “like a creature from Harry Potter” – these are some of the descriptions given to an unusual crab found ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

It is often suggested that anyone who finds one of these invasive worms should kill it (carefully). Here's what else to know.

Add Yahoo as a preferred source to see more of our stories on Google. Tardigrades—a type of invertebrate also known as water bears—are the only animals observed to survive the intense radiation and ...

For generations, science fiction has imagined what life might look like on other worlds. These aliens are fictional, sure, but some of them are informed by real evolutionary processes on Earth. That's ...