Watch: Freaky slime mold pulsates as spores spread in Alaska national park

Slime molds are a collection of single-celled organisms that move together in search of nutrients. They eat bacteria and appear on dead and decaying logs in Glacier Bay's Alaskan rainforest ecosystem during the summer.

Charles County health officials issue warning after sewage spills into Potomac

The Charles County Health Department is warning residents not to swim in the Potomac after they were notified of a sewage spill impacting a portion of the river.  

Drinking water from nearly half of US faucets contains PFAS, study says

PFAS chemicals have been linked in animal studies to some cancers, including kidney and testicular, plus issues such as high blood pressure and low birth weight.

Earth sees hottest day on record for third straight day

The daily highs are an indication that climate change is reaching uncharted territory, scientists say.

Ohio researchers develop new breed of honeybees to fight parasites

Central State University's breeding program aims to create worker bees with smaller mandibles known as 'Ohio Mite Biters.'

Yellowstone River bridge collapses, freight train falls into waters below

Numerous tank cars were partially submerged in the river early Saturday, with an Associated Press reporter witnessing a yellow liquid pouring out of tank cars.

Biden administration moves to restore endangered species protections dropped by Trump

The Biden administration has proposed new rules for protecting imperiled plants and animals as officials move to reverse changes under former President Donald Trump that weakened application of the Endangered Species Act.

El Nino blamed for recent bird deaths along Mexico's Pacific coast

Many seabirds in this region died recently, with more than 90% of the affected birds being grey-backed shearwaters, according to the Ministry of Agriculture and Rural Development in Mexico.

Himalayan glaciers could lose 80% of their volume if global warming isn't controlled: study

A report from a Nepal-based research organization finds that water security for nearly 2 billion people downstream from the Hindu Kush Himalayan ranges will likely be threatened this century if global warming is not controlled.

Climate activists spray-paint private plane in Germany

Local news outlets reported that Germany’s Left Party chairman Martin Schirdewan called for a ban on private jets flying to Sylt.

Why did Venice's Grand Canal turn green? Italian officials now have answer

Footage released by the Vigili del Fuoco, Italy’s national firefighters, showed a patch of Venice's famed Grand Canal turning a fluorescent green Sunday morning in the Rialto area.

Manhattanhenge 2023: When, where and how to watch in New York City

Manhattanhenge is when the sun sets in perfect alignment with Manhattan’s east and west numbered streets to create cinema-worthy photo opportunities. Here are this year's dates.