Now that it has been established that Venus might be tectonically active we are now getting into it being an accepted fact of life. It may not of course be currently active as far as volcanoes are concerned, although it is likely to be so. At https://phys.org/news/2021-06-ice-tectonics-reveal-venus-geological.html … a new analysis of Venus surface seems to show evidence of tectonic motion in the form of crustal blocks that jostle against each other. The movement of these blocks suggests Venbus is still tectonically active.
At https://phys.org/news/2021-06-possibilities-hawking-emitted-primordial-b… … researchers are looking into the idea primordial black holes produce dark matter. In other words, theoretical early black holes [never seen by cosmologists] produce dark matter [unseen by one and all]. Mental gymnastics on display. The answer must be there – somewhere.