Stand back, I'm going to try SCIENCE.

Yes, your zodiac sign is wrong! But my planetarium boss tells us now it's news, and none of us can figure out why. This has been happening for--well, forever, and your signs have been wrong probably for the last hundred years or so. According to my planetarium boss, this story just happened to hit the right spot at the right time, which is apparently what makes it news. The science world remains flummoxed by media and sundry.

Here's the super cool explanation my planetarium boss gave me. I made graphics, guys. You might not want to read it if you understand astronomy.

( Why your zodiac sign is wrong. )