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

According to a proposed budget, the rocket and capsule will retire after the Artemis III moon-landing mission. (Spectrum News file/Anthony Leone) ...

Rules for school diabetes emer­gencies, fentanyl testing, sur­ren­dered children among bills signed into law by DeSantis ...