Just posted a topic to the forum on PBS Space Time, which I just happened upon this evening. It is a series on you tube that explains lots of topics within Astrophysics.

Image below is from Open Clipart

Physicists Announce Potential Dark Matter Breakthrough

scientificamerican.com/article

Hmm reading this reminded me that they use a Nobel gas (Xenon) in liquid form to detect neutrinos, then reading further on they suggest that neutrinos could be responsible for the signals they are getting.