It may sound unbelievable, but new research suggests that instead of being featureless, dark matter could actually behave like a cosmic superfluid, forming swirling vortex lines and stable rotating ...

As winter sets in at Titan's south pole, a cloud system called the south polar vortex (small, bright 'button') has been forming, as seen in this 2013 image. Disclaimer: AAAS and EurekAlert! are not ...