Watch: NOAA scientists find mysterious, shiny orb-like object on seafloor

Video from NOAA shows the vessel’s remotely operated arm carefully "tickle" the object before picking it up and sucking it into a vacuum-like tube.

Air pollution from wildfires linked to dementia cases, study says

Particulate pollution comes from several sources, not just wildfires, but the study identified particulates from wildfires and agriculture as the sources linked to dementia cases.

NASA releases first images from pollution-monitoring satellite in space

NASA has shared this week the first images from TEMPO, the agency’s first space-based instrument designed to continuously measure air quality over North America, and do so with the resolution of a few square miles.

Why fall season should actually begin on September 1

The calendar says autumn begins on Sept. 22, but 'climatological' or 'meteorological' fall starts 3 weeks earlier.

Wisconsin DNR policy board appointees pressed on wolves, more

Republican legislators pressed three of Gov. Tony Evers' appointees to the DNR policy board Wednesday ahead of possible confirmation votes.

Colorado River cuts: Western states will not lose as much water in 2024

The U.S. government in 2021 announced cuts that hit Arizona particularly hard. Last year, those cuts grew more severe thanks to continued drought, poor precipitation and less runoff from the river’s Rocky Mountains source.

Hawaii wildfires: How to help those impacted on Maui, Big Island

Officials said relief is needed immediately, and more will be required later as the islands recover from the impacts.

Maui wildfire: Death toll rises to 53; thousands race to escape

Hawaii Gov. Josh Green says 53 people were killed in the devastating Maui wildfires, and the death toll will likely continue to rise.

Maui wildfires: People in Hawaii jump into ocean to escape; historic Lahaina town burning

Wildfires in Hawaii fanned by strong winds burned multiple structures in areas including historic Lahaina town, forcing evacuations and closing schools in several communities Wednesday, and rescuers pulled a dozen people escaping smoke and flames from the ocean.

Plans to fight climate change with trees hampered by seedling shortage, study says

This shortage is occurring as government and private funding is being invested in planting trees to cool cities, reduce air pollution and protect water.

Delavan Lake water safety concerns; project aims fix

There is no shortage of lakes in southeast Wisconsin. But when there are too many minerals in the water, some lakes could become dangerous.

July on track to be Earth's hottest month on record

Another month of record-breaking heat has brought the world into uncharted territory, scientists say.

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.