http://www.express.co.uk/news/weird/554074/Alien-seed-sent-Earth-aliens-Scientists-baffled http://rt.com/uk/233507-metal-ball-alien-seed/ Seems like this would be big news.
Given the sidebar on the site... Please Register or Log in to view the hidden image! I'm not inclined to take the site very seriously XD
I did not see that piglet when I was reading the article. LOL! Anyway, http://www.sci-news.com/space/science-extraterrestrial-life-form-earth-stratosphere-01393.html