To mark Shark and Ray Awareness Day this weekend, Shedd Aquarium is introducing Chicagoans to two rare residents — bowmouth guitarfish, also known as shark rays. Senior aquarist Heather Urbaniak ...

Chicago's Shedd Aquarium is encouraging people to have a "Plastic Free July" to help reduce waste. They are also hosting beach cleanup days.

Steve Kessel, director of marine research at Chicago’s Shedd Aquarium, applauds the educational possibilities of Shark Week, even when the outlandish outweighs the science.

Steve Kessel, director of marine research at Chicago’s Shedd Aquarium, applauds the educational possibilities of Shark Week, even when the outlandish outweighs the science.

Steve Kessel, director of marine research at Chicago’s Shedd Aquarium, applauds the educational possibilities of Shark Week, even when the outlandish outweighs the science.

Steve Kessel, director of marine research at Chicago’s Shedd Aquarium, applauds the educational possibilities of Shark Week, even when the outlandish outweighs the science.

Steve Kessel, director of marine research at Chicago’s Shedd Aquarium, applauds the educational possibilities of Shark Week, even when the outlandish outweighs the science.

Steve Kessel, director of marine research at Chicago’s Shedd Aquarium, applauds the educational possibilities of Shark Week, even when the outlandish outweighs the science.

Steve Kessel, director of marine research at Chicago’s Shedd Aquarium, applauds the educational possibilities of Shark Week, even when the outlandish outweighs the science.

A beluga whale at Chicago's Shedd Aquarium is the first to successfully recover from general anesthesia in captivity after a surgery to remove a network of cysts.

Chicago’s Shedd Aquarium performed a historic surgery on a 12-year-old beluga whale named Kimalu.

A beluga whale at Chicago’s Shedd Aquarium had a groundbreaking surgery that is poised to change the future of beluga whale care worldwide.