"Time is a flat circle" may be the most famous quote to emerge from HBO's True Detective. But putting the memes aside, here's ...

Einstein’s theory of relativity has inspired a model called the Block Universe, where all of time exists simultaneously. Physicists argue that our sense of time moving forward may just be an illusion ...

“For the first time, we have identified the earliest moment when planet formation is initiated around a star other than our Sun,” lead author Melissa McClure, a professor at Leiden University in the ...