By now, most of you have heard that Laser Interferometer Gravitational-Wave Observatory (LIGO) has confirmed gravity waves, the existence of which was predicted by the General Theory of Relativity. Varying levels of explanations for what this means may be found here, here, here, and in the videos, below:

We often have Newspace at the start of the week that ends in Cosplay. This is more of a science report, but, for those who want some cosplay, here some Gravity Falls cosplay from last autumn: