For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

A new glass sponge species is so strange that has been given the name named Advhena magnifica, which means "magnificent alien ...

Like many fans we are simply having fun using science to analyze the creatures. This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert ...