The anti-vaccination movement has been around since Edward Jenner scraped pus from the skin of sick cows. Here's what's driven the sentiment over the last two centuries.
Over the years everyone from sci-fi filmmakers to NASA has tried to visualise a black hole. Now we have the real deal, so let's see who was right and who was wildly ambitious.
A lot of Australians believe in ghosts and aliens, a poll found. That may be harmless, but it makes it a lot easier to believe in other things that aren't true, writes Andrew P Street.