Infrastructure

Divers receive verbal instructions from operators at the surface, who have access to real-time sonar imagery.

3D Sonar Images of Baltimore's Key Bridge Reveal the Underwater Wreckage in Detail

Divers clearing the Patapsco River are grappling with poor visibility and dangerous conditions, so they rely heavily on real-time sonar observations

The container ship Dali hit Baltimore's Francis Scott Key Bridge on March 26, 2024, causing the entire structure to fall within seconds.

Cargo Ships Keep Getting Bigger, and Infrastructure Is Racing to Keep Up

A massive container ship hit Baltimore's Francis Scott Key Bridge this week, calling attention to the demands that ever-growing shipping vessels are placing on ports, canals and bridges

The Aria Resort & Casino, a striking pair of curved buildings on the Las Vegas Strip, bills itself as eco-friendly and water-efficient.

Las Vegas Is Going All In on Its Water Conservation Plan

As the Southwest dries, can a city notorious for excess find a way to survive with less?

Iron Gate Dam in Hornbrook, California, on the Klamath River

The Largest Dam Removal Project in U.S. History Begins Final Stretch, Welcoming Salmon Home

After being impeded by dams for more than a century, the Klamath River will be restored to its historic channel this year

Backpackers hike near Crescent Lake in Alaska's Chugach National Forest.

Alps-Style Hut-to-Hut Travel Is On Its Way to Alaska

Several ambitious projects are poised to bring a long trail and 25 new huts to the Last Frontier

The biocrust is made up of lichen, mosses and cyanobacteria.

Parts of China's Great Wall Are Protected by a 'Living Cover' of Biocrusts

The layer of lichen, moss and cyanobacteria helps shield the historic structure from erosion, a new study finds

Our ten favorite science books of the year covered everything from astronomy to undersea exploration.

The Ten Best Science Books of 2023

From stories on the depths of the ocean to the stars in the sky, these are the works that moved us the most this year

Could this innovation provide a solution to one of our era’s biggest scourges?

Scientists Have Created Synthetic Sponges That Soak Up Microplastics

Made from starch and gelatin, the biodegradable sponges remove as much as 90 percent of microplastics in tap water and seawater

A mule deer crosses a road near Aspen, Colorado.

How Roads Have Transformed the Natural World

A brief history of road ecology, the scientific discipline that is helping us understand our impact on the environment and how to diminish it

Alessandro Rotta Loria and a student in his lab walk through a train tunnel beneath the Chicago Loop.

Chicago May Be Slowly Sinking Because of 'Underground Climate Change'

The ground beneath the Windy City is shifting as heat escapes from buildings and transit systems, posing a threat to infrastructure, a study finds

Vienna earned top marks for its stability, education, health care and infrastructure.

Vienna Is the Most Livable City in the World

The city also topped the Economist Intelligence Unit's annual rankings in 2018, 2019 and 2022

The bridge depicted in the backdrop of the Mona Lisa has been a subject of debate for many years.

Has This Historian Identified the Bridge in the 'Mona Lisa'?

Silvano Vinceti argues that the bridge in the backdrop of da Vinci's masterpiece is the Ponte Romito in Laterina

Route 66's 100th anniversary is coming up in 2026.

Ahead of 100th Anniversary, Route 66 Will Get Much-Needed Upgrades

Approved in 1926, the historic highway grew to become a cultural icon

Colorful murals help brighten up the windowless tunnel.

See Inside the World’s Longest Purpose-Built Cycling Tunnel

The 1.8-mile-long tunnel in Norway is part of a broader effort to encourage residents to ditch their cars

A $25 million plan to uncover 1,100 feet of Jordan Creek and build three bridges is moving forward in Springfield, Missouri.

How 'Daylighting' Buried Waterways Is Revitalizing Cities Across America

Urban centers are exhuming creeks and streams once covered up to control floodwater—and bringing life back in the process

Alaska Railroad's main line stretches 470 miles between Seward and Fairbanks.

For 100 Years, the Alaska Railroad Has Been a Critical Artery Pumping Passengers and Freight Through the State

Along with celebrations, the centennial offers a chance to consider the effects the rail system has had on the state and its people

Bad Bunny, a global reggaeton sensation whose latest album just topped the Billboard 200 for the 11th week, released a short documentary on Puerto Rico’s infrastructure failures and gentrification.

Bad Bunny's Latest Music Video Doubles as a Documentary on Gentrification in Puerto Rico

Amid Hurricane Fiona, the artist combines his music with an 18-minute film by reporter Bianca Graulau

President Joe Biden speaks during the 2022 North American International Auto Show in Detroit on Wednesday, Sept. 14, 2022. 

Biden Administration Allocates $900 Million for Electric Vehicle Chargers

The president says he wants these devices to be “as easy to find as gas stations are now”

So far, pedestrians have mixed feelings about the experimental new lights in Hong Kong.

Can These Lights Make Crosswalks Safer for Pedestrians Distracted by Their Phones?

Hong Kong has launched an experimental initiative to remind walkers to look up before crossing the street

Phantom Ranch cabins

The Grand Canyon's Phantom Ranch Turns 100 This Year

A century after it was built, the secluded resort below the rim is still an architectural marvel

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