Traditionally, blue is associated with masculinity and pink is associated with femininity. Blue may represent boyhood or be ...

Five years ago, NASA provided an updated version of the Pale Blue Dot. JPL engineer Kevin M Gill reprocessed the image with modern tools but following the original approach, even receiving inputs from ...

Study finds that birds-of-paradise are biofluorescent, suggesting that this "hidden" phenomenon provides enhanced signaling for hierarchy and courtship.