Step inside the strange world of a superfluid, a liquid that can flow endlessly without friction, defying the common-sense ...

SALT LAKE CITY — Some mark the winter solstice as the shortest day of the year, but for others — especially those who love a little magic — those longer days mean a chance to reflect. “It’s a chance ...

Here’s what you’ll learn when you read this story: For more than 50 years, scientists theorized that an electromagnetic wave could be reflected temporally—not just spatially. Scientists have been ...