A pair of bills would strip the state of its authority to regulate endangered species that are protected at the federal level but that might require further protections within Illinois.

Staff at the zoo are caring for the pup because his mother was unable to provide him with proper nourishment. His arrival in February marked the zoo’s second successful birth for this once-endangered species.

We get up close and personal with some cold-blooded creatures ahead of the nation’s largest educational reptile show.

A groundbreaking study concludes that human health can be “mostly sustained” for a year in space, a key finding that figures to help NASA with its mission of sending humans to Mars within two decades.

Ever since Einstein’s theory of relativity first predicted them, black holes have captured the imagination of the public and scientists alike. We speak with two local astrophysicists about this scientific breakthrough.

Sometimes the best thing for a forest or prairie is to burn it. We spend a day with a Cook County burn crew.  

Renowned University of Chicago paleontologist Neil Shubin recently returned from an expedition to search for fossils in Antarctica. He tells us about his trip.

In many ways, modern American life is set up for convenience and speed – and that can generate a lot of garbage. What you can do at home to reduce your waste output.

The city’s gleaming skyline and its position along a busy migratory corridor make it the most dangerous in the U.S. for birds traveling north and south each fall and spring, a new study finds.

The zoo is no longer offering a program that allowed visitors to touch or interact with a handful of different animals, citing research showing that some animals display signs of stress after being handled by humans. 

After teasing social media by announcing the discovery of “unprecedented” dinosaur fossils under a Michigan Avenue storefront, the Field Museum unveiled a new pop-up exhibit that replicates a “dig site” where paleontologists search for fossils. 

Kapuki, a 13-year-old eastern black rhinoceros, is expected to give birth to a baby calf in May. 

Each year, Chicago Animal Care and Control takes in more than 3,000 stray dogs and 3,000 stray cats on average, but only a fraction of them are reunited with their owners. How a new app could help link lost pets with their owners.

The diets of white Americans contribute to climate change more than the eating habits of African and Latino Americans, according to a new report by a group of Chicago researchers.

While the Social Security Administration may contact people by phone, employees will never threaten a person or a promise Social Security benefit approval in exchange for information, according to the agency.

A first-of-its-kind report shows how climate change is threatening the Great Lakes, and how their ongoing transformation figures to impact the entire region.