Much like the film franchise that spawned it, not all the horror in Alien: Earth will involve aliens, it seems. However, if you’ve seen the first two episodes, you know there’s also plenty of oozy extraterrestrial terror on the show too. Have you checked it out yet?

For decades, astronomers have searched for signs of extraterrestrial intelligence using radio telescopes and optical instruments, scanning the skies for artificial signals. Now, researchers are taking a different approach,