Why not an eclipse at every full and new moon?

In 2020, there are 12 new moons and 13 full moons, but only 6 eclipses – 2 solar and 4 lunar. Source: https://earthsky.org/astronomy-essentials/why-isnt-there-an-eclipse-every-full-moon…

Scientists probe dark matter in a virtual universe

The new work reveals dark matter haloes as active regions of the sky, teeming with not only galaxies, but also radiation-emitting collisions that could make it possible to find dark matter haloes in the real sky. Source: https://earthsky.org/space/supercomputer-study-zoom-in-dark-matter-haloes…