Swimming through the shadowy waters off Palau, scuba divers watched life on a coral reef after dark. One reddish sea creature ...

Instead, the feather stars of Palau came out “exclusively” at night — a significant change in behavior that led some scientists to suspect the nocturnal animals were an undescribed species ...

Instead, the feather stars of Palau came out “exclusively” at night — a significant change in behavior that led some scientists to suspect the nocturnal animals were an undescribed species ...

Instead, the feather stars of Palau came out “exclusively” at night — a significant change in behavior that led some scientists to suspect the nocturnal animals were an undescribed species ...