Methylene blue, a Victorian-era medicine, is making headlines after a video of RFK Jr. using it went viral. Touted as a cure ...

Do you have blue eyes? We talked to experts to discover curious facts about baby blues, including whether your biological family is bigger than you ever imagined.

Hawaii’s sunshine, short rain showers and clean air together create some of the planet's best conditions for viewing rainbows ...

That gusher of findings will include new observations of exoplanets—or planets orbiting other stars; new surveys of the structure of the Milky Way; and new studies of dark energy, the mysterious, ...