Volcanoes, rainforests, and reefs abound in this tropical U.S. territory.
Published Jun 19, 2023
A national park and a dune field occupy part of this bright-white desert landscape, which also has ties to the aerospace industry.
Published May 21, 2023
The Blue Ridge Parkway is often the most visited national park site in the United States.
Published Apr 29, 2023
The lake is especially scenic in early spring when its deep-blue waters contrast with a blanket of snow on land.
Published Apr 5, 2023
Beneath a layer of snow and ice, exceptionally hot fluids rise from the floor of Yellowstone Lake.
Published Dec 27, 2022
The park and surrounding areas of the Central Sierra Nevada turned white after the season’s first significant winter storm.
Published Nov 15, 2022
From 18th-century fur traders to modern-day vacationers, plenty of travelers have passed through this watery landscape in northern Minnesota.
Published Oct 10, 2022
In one of the driest places on Earth, a thousand-year rain event delivered 75 percent of the yearly average precipitation in just three hours.
Published Aug 9, 2022
Zion National Park is home to scenic cliffs, slot canyons, protected wilderness areas, endangered species, and archaeological sites.
Published Aug 7, 2022
For the second time in a month, drought-parched forests near the park are burning.
Published Jul 25, 2022Image of the Day Atmosphere Heat Land Drought Fires Remote Sensing
Snowmelt and heavy rain caused historically high water that destroyed homes, roads, and bridges, and isolated some of the national park’s gateway communities.
Published Jun 22, 2022Image of the Day Atmosphere Land Water Floods Human Presence Remote Sensing
A 20-kilometer-long tunnel under Rocky Mountain National Park diverts water from the Western Slope of the Rockies to Colorado’s Front Range and eastern plains.
Published Jun 9, 2022
Growing corals and falling sea levels brought these small islands above the water line.
Published May 31, 2022
In the Utah desert, the red rocks, cliffs, and canyons of this nautically named national park—and many of its famous fossils—owe their existence to water.
Published May 20, 2022
Scientists have been observing Peyto Glacier in Alberta since the 1960s.
Published May 3, 2022
This Arizona national park was founded to protect the saguaro cactus, a keystone species of the Sonoran Desert and an iconic symbol of the Southwest, where the climate is becoming warmer and drier.
Published Dec 28, 2021
One of the oldest rivers in the world is famous for its extreme sports and hunting.
Published Jan 23, 2021
In this changing Alaskan landscape, tidewater glaciers are holding on to the bay’s West Arm.
Published Sep 16, 2020Image of the Day Heat Land Water Snow and Ice Remote Sensing
Retreating glaciers have changed how visitors experience Glacier Bay National Park in southeast Alaska.
Published Aug 31, 2020Image of the Day Heat Land Water Snow and Ice Remote Sensing
Views from above show the extent of change across Alaska’s Glacier Bay National Park.
Published Aug 13, 2020
While most glaciers in southeast Alaska are losing an astounding amount of ice, this glacier has been relatively stable.
Published Jun 30, 2020
The colonial communities of “America’s historic triangle” played defining roles in the road to American independence.
Published Jul 4, 2018
On July 4, United States citizens celebrate the nation’s independence. EO does the same by visiting five places with historical significance.
Published Jul 3, 2018
A satellite a view of Monument Valley Navajo Tribal Park, the quintessential picture of the American West.
Published Jun 7, 2018
Risk maps can help land managers make more informed decisions about modern development in the vicinity of an ancient civilization.
Published Jun 1, 2018
In National Parks across the United States, recent springs are among the earliest ever observed compared to the past 112 years.
Published Apr 6, 2018
A 1666 eruption in what is now the northeast corner of Lassen Volcanic National Park flattened forests and created a new lake.
Published Mar 11, 2018
The damming of the Tennessee and Cumberland Rivers led to the creation of a large inland peninsula and a vast freshwater recreation area.
Published Dec 15, 2017
Old, hardened lava flows extend from the caldera of Medicine Lake volcano in northern California.
Published Oct 10, 2017
Despite the bay’s calm waters, constant reminders of the city break through.
Published Oct 5, 2017
