The most detailed radar survey to date has revealed no sign of thick ice deposits at the moon’s shadowy poles.

and

The findings, reported in the journal Nature, suggest that any water on the moon is likely to exist as scattered grains or thin layers embedded in rock.

I don’t think this is the first time Arecibo has been used to try to find these – the other instruments indicate that the hydrogen (most likely combined with oxygen in water) really is there; this just clarifies what form it’s in. Not terribly unexpected but maybe a little disappointing.