First-known freshwater contagious cancer spreading among catfish in Vermont lake

The first-ever transmissible cancer to spread among fish in a freshwater setting has been discovered among brown bullhead catfish in Lake Memphremagog.

Microplastics detected in most heart attack patients' blood in startling new study

Most heart attack patients have significantly higher concentrations of micro- and nanoplastics in their blood compared to individuals with stable heart conditions, new research found.

Lake Powell: 2024 vs 2026 l Weather Wisdom Wednesday
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On this Weather Wisdom Wednesday, FOX 10 meteorologist Krystal Ortiz takes a deep dive into water levels at Lake Powell.

Trump calls for investigation into manual used in climate change cases

President Donald Trump has called for a formal review of a federal reference manual, alleging the updated text relies on "false science" regarding climate change, and claiming that it contains "discredited" information.

What is Code Purple air quality? What Code Orange, Red and Purple mean

Air quality alerts can change quickly during wildfire smoke events. Here’s what Code Orange, Code Red, Code Purple and Code Maroon mean, and when you should limit time outside.

Wildfire smoke chokes skies in Midwest and Northeast

Smoke from wildfires in Canada and Minnesota is blanketing multiple northern states with smoke and ash, leaving millions of people exposed to dangerous levels of air pollution. 

Keystone Pipeline hit with proposed massive multi-million dollar fine

A proposed legal settlement with the U.S. government would require the Keystone Pipeline system’s operator to pay a $26.9 million civil penalty over a major oil spill in Kansas in December 2022.

Trump administration to allow drilling, mining on critical wildlife habitats

The Trump administration is rolling back more protections under the Endangered Species Act with a new policy that will allow drilling, mining and logging on critical wildlife habitats.

AZ drought conditions l Weather Wisdom Wednesday
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In this week's Weather Wisdom Wednesday, FOX 10's Krystal Ortiz breaks down Arizona drought conditions and what to expect in the coming months.

Global ocean temperatures hit record high for this time of year

Global sea surface temperatures have reached record highs for this time of year, surpassing previous records set in 2023 and 2024, according to new data.

Phoenix resident reacts to 14-day water leak
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A local homeowner describes the reality of waiting two weeks for city crews to finalize a water line repair. The city defends its timeframe, citing a goal of under 14 days. FOX 10's Steve Nielsen reports.

Phoenix resident frustrated by 14-day delay in fixing water main leak

Phoenix residents question response times after a water main leak gushed for two weeks. City officials report losing 9% of their annual supply to leaks and unaccounted usage.

3 firefighters die fighting Snyder Fire near Colorado-Utah border

The fast-moving flames of a wildfire burning near the Colorado-Utah border claimed the lives of three firefighters and injured two others who had huddled inside emergency shelters to escape the blaze.

17 states take California to court over plastic packaging rules

A coalition of states is suing California to block a sweeping recycling law, claiming its strict plastic waste regulations would force businesses nationwide to overhaul their products and operations.

Boyle Heights warehouse fire: Crews work for 5th day in responding to 85M pound biohazard threat

Los Angeles Mayor Karen Bass has issued a local emergency declaration as firefighters battle a persistent cold storage warehouse fire in Boyle Heights that threatens a major food-spoiling biohazard crisis.

Solar energy passes coal power on list of largest U.S. electricity sources for first time

The United States hit a clean energy milestone last month as the amount of electricity generated through solar power topped what was made by coal for the first time ever.