OMG sciencefromwww.scientificamerican.com8 hours agoTouchy-feely' dark matter is having a momentDark matter may interact with ordinary matter beyond just gravitational pull, suggesting a more complex role in cosmic physics.
Berlin musicfromwww.nature.com2 months agoJam-packed star system is most compact of its kind ever foundA quadruple star system 584 parsecs from Earth features three closely packed stars orbited by a more distant fourth star in a complex gravitational arrangement.