"Almost 30 percent of the total matter-energy budget is said to be composed of so-called cold dark matter and almost 7…"

"When I was a student at Trinity College, Cambridge, in the 1950s, Sir Isaac Newton's presence was still almost palpable."

"Einstein entertained counterintuitive notions that allowed him to pull physics from the mechanistic, clockwork univer…"

"The eighteenth-century German philosopher Immanuel Kant had conjectured that Messier's nebulae were distant "island u…"

"Today, like the elusive planet Vulcan in the nineteenth century, dark matter is accepted by the majority of astronome…"

"Hunting for elusive dark matter is now a multibillion dollar international scientific industry."

"It may be that ultimately the search for dark matter will turn out to be the most expensive and largest null result e…"

"It is hard to understand how this infinitely dense singularity can evaporate into nothing. For matter inside the blac…"

"Is the reader feeling confused about the status of the black hole information paradox and black holes in general? So …"

"Could it be, nevertheless, that Einstein's theory is wrong? Might it be necessary to modify it—to find a new theory o…"