Our galaxy may have slightly less dark matter than expected from theoretical estimates, according to a measurement of the acceleration of rapidly spinning stars
Source:
https://www.newscientist.com/article/2264579-the-milky-way-may-have-less-dark-matter-than-astronomers-thought/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home