Recent physics studies have found that light can sometimes flow in unexpected ways, behaving like a so-called "superfluid." ...

Excitons—bound pairs of electrons and an electron hole—are quasiparticles that can arise in solids. While so-called "bright" ...

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

This video explores Euclid's “First Light” images, released in November 2023, less than a year after its launch. These stunning debut images from ESA's space telescope offer an unparalleled view of ...