Sealed in a vault beneath a duke's former pleasure palace among the sycamore-streaked forests west of Paris sits an object the size of an apple that determines the weight of the world. Forged against ...

In science, there are thousands of ways to measure the world around us that the average person may never encounter. For example: Pascals to measure pressure, Candles to measure light intensity, and ...

Telescope observations have confirmed a weird property of white dwarf stars: As they pack on more mass, they shrink in size. White dwarfs, the stripped cores of dead stars, are thought to have this ...

In a study published in Environmental Science and Technology, Skoltech researchers have proposed a novel metric and established an open-access database enabling the direct comparison of complex ...

Physicists have created a fluid with negative mass, which is exactly what it sounds like. Push it, and unlike every physical object in the world we know, it doesn't accelerate in the direction it was ...