Yowsa! RT As California burns, the Gulf Coast rebuilds and Indonesia is still reeling from a tsunami, what else could possibly go wrong? Well, apparently a 'hurricane' of dark matter travelling at 500 kilometers per second (310 mps). Scientists studying the nature of gravity and the movement of stars and planets discovered that the space between galaxies contains something else that we can't yet account for. Enter: Dark matter, an invisible and as-yet undetectable phenomenon believed to make up the bulk of matter across the universe. While we have never directly detected dark matter, and we're not entirely sure what it is, we know 'something' must be there. Think of it like wind in the sails of a ship: we can see its impact on the world right in front of us, but it might be difficult to point it out directly. The European Space Agency's (ESA) Gaia spacecraft is currently carrying out its billion-star survey and spotted a group of 30,000 stars in something called the 'S1 stream' - the