The cubs’ arrival – the first litter born at the zoo since 2010 – is a bright spot for one of the world’s most endangered wolf species.

Several hundred students ditched classes Friday for a march and rally downtown as part of the Youth Climate Strike, a global movement demanding action to address global warming.

Nearly 6 inches of rain has fallen in and around Chicago since last weekend, which in years past might have caused significant flooding in some neighborhoods. But that hasn’t happened, city officials said.

For Chicago pet owners, finding a lost dog or cat could now be just a few clicks away, thanks to an app built using facial recognition technology.

From brain mapping to climate modeling and beyond: the potential impact of a new supercomputer being developed in the Chicago area. 

It’s home to more than animals: More than 330 species of trees, shrubs and plants live on zoo grounds, including the historic canopy of oak trees whose roots predate the city’s founding.

The groundbreaking book “Birds of America” by painter and ornithologist John James Audubon features intricate watercolor paintings of nearly every bird on the continent. It’s now on display at the Field Museum.

A world-renowned nature photographer visits Chicago for the opening of an exhibition of his truly magnificent wildlife pictures at the Peggy Notebaert Nature Museum.

The National Weather Service has issued a winter storm watch Saturday for a storm system that could bring up to 8 inches of snow to the Chicago area.

In research released on Friday, Nobel winning astronomer Adam Riess calculates the cosmos is between 12.5 and 13.0 billion years old - about 1 billion years younger than previous estimates.

Hudson, a 1,000-pound male polar bear at Brookfield Zoo, underwent a historic checkup this week when he received a CT scan and had semen collected, which was used to inseminate two female polar bears. 

With more and more alternatives to cable television, is it time for you to cut the cord?

Tours like Dave Odd’s “Eat the Neighborhood” in Lincoln Park introduce Chicagoans to local plants that are edible or can be used for medicinal purposes. 

By tracking the types, frequency and intensity of frog mating calls, experts hope to gauge the success of conservation efforts in an area commonly referred to as the city’s dumping ground. 

Staff made the decision to euthanize the North American river otter pup after his health declined over the weekend. “This was an enormously hard decision to make,” said Bill Zeigler of the Chicago Zoological Society.

Would you forgo your privacy for more effective technology? Owners of voice-activated home devices may need to start asking themselves that question.