The research suggests that the universe has become “messier and more complicated” over time, with a less clumpy distribution of matter.

Evidence, Theory and Constraints will be useful to those who wish to broaden or extend their research interests, for instance ...

Because we haven't found anything yet, we've started to wonder if dark matter might be lighter or heavier than we thought.

and ripples in the cosmic microwave background, or the leftover radiation from the primordial plasma of the universe, moved indicated that dark matter exists. “All of this has come down to the ...