Water

The sword was found at the Włocławek port on the Vistula River.

This Medieval Sword Spent 1,000 Years at the Bottom of a Polish River

Construction crews stumbled upon the weapon while dredging the Vistula River in Włocławek

One possible explanation for the low-frequency noises? Mating black drum fish.

Mysterious Bass Sounds Irking Florida Residents Might Just Be Fish Mating Loudly

The Tampa community raised money to fund an investigation, and now, a local scientist will install underwater microphones to look for the source of the racket

A winding walkway from Mary Miss' Greenwood Pond: Double Site in 2014

Iowa Museum Plans to Tear Down Acclaimed Land Art Installation

Known as the country's first urban wetland project, "Greenwood Pond" has been declared "no longer salvageable" due to financial constraints and structural decay

An excavation of the dry Papowo Biskupie lakebed unearthed over 550 bronze artifacts.

Bodies and Treasure Found in Polish Lake Could Be Connected to Ancient Water Ritual

New research suggests the Chelmno group followed their water burials with mass deposits of bronze jewelry and artifacts

Returning Rapids Project investigator Chris Benson examines old photos of the Colorado River to see how it has changed over time.

Citizen Scientists Document a Recovering Colorado River

The Returning Rapids Project charts a resurgent waterway and its surrounding ecosystems

Bottom trawling is a polarizing fishing practice that involves dragging heavy nets and equipment across the seafloor.

Seabed Trawling May Be Spewing Huge Amounts of CO2 Into the Atmosphere

New research suggests the controversial fishing method is also contributing to increased ocean acidification, which can harm marine wildlife

This reconstruction shows the 4,000-year-old structure in its original form.

Archaeologists Discover 4,000-Year-Old Wall Built Around Oasis in Saudi Arabia

The nine-mile-long structure surrounding the Khaybar Oasis may have once protected against raiders

Researchers measure California snowpack levels at Phillips Station in the Sierra Nevada on January 2.

Climate Change Is Melting Snowpack, Pushing Some Regions Past a 'Snow-Loss Cliff'

Some of the Northern Hemisphere's most populous areas are at risk of warming past a critical threshold, after which snowpack melts rapidly with even small rises in temperature, study finds

Ocean drainage basins of the world

These Entrancing Maps Capture Where the World's Rivers Go

Cartographer Robert Szucs uses satellite data to make stunning art that shows which oceans waterways empty into

Left, Bartram’s illustration of Annona grandiflora, a member of the pawpaw family, which appeared in the naturalist’s 1791 Travels, right.

More Than 200 Years After He Toured Florida, America's First Great Environmentalist Is Inspiring Locals to Reconnect With Nature

A new generation is discovering the rambling Southern route of William Bartram and his legendary 1791 travelogue

Plastics break down over time into micro- and nanosized particles that litter our water and air.

One Liter of Bottled Water May Contain 240,000 Tiny Plastic Fragments

A new technique reveals that the liquid may contain 10 to 1000 times more plastic pieces than previously thought

Lake Michigan, pictured here in December 2022, had 0.1 percent ice cover on Jan. 1, 2024.

The Great Lakes Reached a Record Low for Ice Cover on New Year's Day

The 'extreme' lack of ice follows warm temperatures in December and calls attention to recent downward trends in ice coverage on the lakes

Keālia Pond National Wildlife Refuge

Could Climate Change Cause More Lakes to Turn Bright Pink?

While rosy-hued waters exist naturally around the world, a pond in Hawaii recently turned pink, and Australian scientists say the same could happen there

Maritime archaeologists suspect the wreck is the George L. Newman.

Father and Daughter Discover 152-Year-Old Shipwreck While Fishing in Green Bay

Tim and Henley Wollak found what is likely the wreck of the "George L. Newman," which sank during the Great Peshtigo Fire of 1871

Boat docks sit on dry, cracked earth at the Great Salt Lake's Antelope Island Marina on August 1, 2021.

Could a 550-Mile Pipeline From the Ocean Save the Great Salt Lake? Scientists Say Probably Not

New research suggests the electricity costs would exceed $300 million per year and carbon dioxide emissions could approach one million metric tons annually

A 14-inch goldfish (Carassius auratus) pulled from the Niagara River

Giant Goldfish Are Bad News for the Great Lakes

Researchers are tracking invasive goldfish—which, often, were once kept as pets—in Lake Ontario to determine how best to manage them

Because St. Lucie's hull was raised and repaired, the anchor is all the remains from the 1906 wreck.

Anchor From 1906 Shipwreck Found in Florida

The steamship "St. Lucie" went down in a hurricane, killing 26 passengers on board

The jawbone likely belonged to a Columbian mammoth.

Fossil Hunter Pulls Massive Mammoth Jawbone Out of Florida River

John Kreatsoulas, who made the discovery while diving in southwest Florida, initially thought the 60-pound mandible was a log

The S.S. Dix was part of the "Mosquito Fleet" of vessels that ferried passengers around Puget Sound.

117-Year-Old Shipwreck Found in Puget Sound

The S.S. Dix went down while ferrying passengers between Seattle and Bainbridge Island

Flag design finalist submission F2100

See the Top Contenders for the New Minnesota State Flag

Picked from more than 2,600 submissions, the finalists pay homage to the state's motto and nickname

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