Benjamin Santer received enormous pushback when he authored one of the first reports on the scientific consensus of ...

Time, not space plus time, might be the single fundamental property in which all physical phenomena occur, according to a new ...

It’s not just in your head — time can actually flip. Physicists in New York have pulled off what sounds like a page ripped from a sci-fi script: They’ve confirmed that “time mirrors,” a ...

Is the Hubble constant—a key part of how we measure the expansion of our universe—in a crisis? Some cosmologists say yes.

While the term “time reflection” might bolster images of time-traveling movies and science fiction, these reflections aren’t really time travel. Instead, a time reflection occurs whenever an ...