What happens if you combine an alien invasion, an accidental pregnancy, gallons of fluorescent slime and a heartfelt story about motherhood? The answer is Mum, I'm Alien Pregnant - one of the most ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Hannah Lynch and Yvette ...

We may receive a commission on purchases made from links. Ever since H.G. Wells released "War of the Worlds" in 1898, popular culture has been fascinated by alien invasion stories. For over a century, ...

Alien invasion stories have been around for decades, and some of sci-fi's most interesting entries are often overlooked or completely forgotten today.