Here is what to expect when traveling throughout Arizona on July Fourth Day weekend, including traffic issues, event coverage and weather updates.

For decades, scientists believed the Arctic Ocean was sealed under a massive slab of ice during the coldest ice ages — but new research proves otherwise. Sediment samples from the seafloor, paired ...

The startup Gigablue announced with fanfare this year that it reached a historic milestone: selling 200,000 carbon credits to ...

Discover which Florida home types are projected to lose value by the end of next year and what it means for homeowners.

Rising rural populations, drought and climate change are making water scarcity a problem in country townships—with more ...

For several years, certain beaches in the Caribbean, Mexico, West Africa, and even French Guiana have been invaded by massive ...

Algal blooms are caused by phytoplankton, free-floating microscopic algae found in both marine and freshwater ecosystems. They form the base of the aquatic food chain and are an essential nutrient for ...

Water quality scientists predict the harmful algae bloom on western Lake Erie this year will be relatively mild and less ...

Harmful algal blooms are unsightly and smelly, making them a concern for recreation, property values and businesses. They can disrupt food webs and harm aquatic life, though a recent study suggested ...

In-use emission rates for a marine vessel operating on hydrotreated algae biofuel are reported for the first time. Emission measurements were made on a four-stroke marine diesel engine from a Stalwart ...