We know that at the heart of pretty much every galaxy, there is a giant black hole. There is a lot that we know about black holes — and a lot that we don't know.
January 23, 2018
Einstein's greatest lesson may be that reality is not what it seems; what we perceive as real is a distortion due to how our brains take in the world around, and within, us.
April 29, 2015
We don't have all the answers; many big questions hang over the world of theoretical physics. Is this business as usual? Or symptom of a major crisis in our understanding of nature?
July 23, 2014