It is closed Sunday-Tuesday. The aquarium adopted Charlotte in 2016, and for the past eight years there hasn't been a male stingray in her tank. In September, staff noticed she had a small bump.

Phew. Charlotte the virgin stingray's babies are OK and she is still on track to give birth any moment. That's according to the latest update from the North Carolina aquarium team that cares for her.

Children in grades K through 8 have the opportunity to embark on a unique learning adventure this summer at the North ...