With negative results for WIMPs and axions piling up, science enthusiasts need to be aware of a new paper by Clesse and Garcia-Bellido.

It is a major advance in identifying the dark matter. Revolutionary.

See this link:

[1711.10458] Seven Hints for Primordial Black Hole Dark Matter

Bonus item:

[astro-ph/0002363v1] A Review of Mass Estimates for Galactic Dark Matter Objects