More than 2 million Americans, including nearly 68,000 in Illinois, get water from wells with high levels of toxic arsenic, according to a new study by the U.S. Geological Survey and Centers for Disease Control and Prevention.
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- Stories by Alex Ruppenthal
Stories by Alex Ruppenthal
A new experience coming this fall to Lincoln Park Zoo will allow visitors “dive” into the ocean and explore landscapes and wildlife at the North and South Poles or in deep ocean waters.
An international team that includes Chicago astronomers recently observed the collision of two high-density neutron stars, a historic discovery that confirms decades of scientific work.
An American eel caught by a 5-year-old angler last week is possibly the first such eel ever recorded in the Chicago River, according to the Illinois Department of Natural Resources.
A new poll on climate and energy reveals surprising attitudes from Americans. We talk with the leader of the University of Chicago study group.
President Barack Obama’s science and technology adviser will deliver a lecture on climate change this week in Chicago. John P. Holdren was the longest-serving science adviser in the history of the position.
The black-crowned night heron is one of the rarest birds in Illinois. Lincoln Park Zoo now hosts a colony of more than 600 herons, but things have getting a bit crowded.
Shedd Aquarium experts are among those caring for a whale calf rescued Sept. 30 in Alaska’s Cook Inlet. The calf belongs to a critically endangered population of beluga whales.
Since 2010, the EPA has cited an East Chicago steelmaking facility six times for violations of the Clean Air Act. Now, a group representing nearby residents intends to sue EPA Administrator Scott Pruitt over the renewal of the company’s operating permit.
It looks like an art project, but a seven-floor structure at Lincoln Park Zoo is outfitted with logs, bricks, sticks and other materials to provide cozy spaces for insects to nest.
Dressed in little more than black-and-white body paint, a PETA supporter on Wednesday will urge passersby to skip performances this month by a circus company with a track record of mistreating animals.
More than 125 animal welfare experts from around the world will gather in October to share new research and best practices related to caring for animals in zoos and aquariums.
Since embarking on a new sustainability initiative, Shedd Aquarium has cut annual water use by more than half, from 60 million gallons in 2012 to 28 million gallons today.
A Chicago-area man who wanted to buy a dog for his daughter nearly fell victim to a West African-based scheme targeting thousands of hopeful pet owners. What the Better Business Bureau is saying about the scam.
More than two dozen of the state’s best tree climbers will face off in challenges this weekend when a little-known event returns to Chicago after a decadeslong hiatus.
Fifteen new high-resolution security cameras will target those who illegally dump old furniture, tires and other waste across the city.
A new study suggests that Earth’s tectonic plates began moving 3.5 billion years ago – about half a billion years earlier than previously thought.
Sea creatures made from flip-flops, beach toys, water bottles and other plastic garbage that washed ashore are part of a new exhibit illuminating the proliferation of pollution in the world’s waterways.
The colorful bird who lived to the ripe old age of 83 had a global fan base and seemed to enjoy being the center of attention. A year after his death, Brookfield Zoo is set to unveil a statue in his honor.
A public art installation along the Chicago River aims to bring the realities of climate change in Antarctica to Chicago.
More than 300,000 people across the state are registered for a worldwide earthquake drill next month that encourages participants to drop, cover and hold – actions that could help you survive a quake.
A new analysis of citywide carbon emissions data shows that Chicago is 40 percent of the way to meeting emission reduction targets set under the Paris climate deal.