For centuries, naturalists have puzzled over what might constitute the head of a sea star, commonly called a “starfish.” When looking at a worm, or a fish, it’s clear which end is the head and which ...

HONOLULU (KHON2) — New images released this week from NASA’s powerful telescope revealed a jumble of distant galaxies, cosmic cliffs and the glittering landscape of stars. And down in the deep sea, ...