Space is vast—so vast, we haven’t found the edge. A NASA scientist explains that the observable universe spans roughly 92 billion light-years, and it’s likely even larger. From driving 6,000 years to ...

We hear that space is huge, but our brains quietly turn that into something we can imagine, which is nowhere close to the ...

While it's much smaller than the largest supermassive black holes detected, it's still a whopper considering how early in the history of the universe it appeared. An enormous black hole in the early ...