Image Greenland Ice Sheet Gets a Refresh A moderately intense season of surface melting left part of the ice sheet dirty gray in summer 2025, but snowfall has since freshened its appearance. Published ...

The Towers of Tràng An Over millions of years, water has sculpted limestone in northern Vietnam into an extraordinary karst landscape full of towers, cones, caves, and subterranean waterways.

The Towers of Tràng An Over millions of years, water has sculpted limestone in northern Vietnam into an extraordinary karst landscape full of towers, cones, caves, and subterranean waterways.

Updated Jun 11, 2021 World of Change: Water Level in Lake Powell Combined with human demands, a multi-year drought in the Upper Colorado River Basin caused a dramatic drop in Lake Powell. Wet and dry ...

Before humans constructed drainage canals, dams, dikes, and reservoirs, much of central and southern Florida was covered with one kind of wetland or another. From swampy forests dominated by giant ...

Among the most serious Earth science and environmental policy issues confronting society are the potential changes in the Earth’s water cycle due to climate change. The science community now generally ...

“There’s a debate about how cities affect rainfall,” Shepherd answers. “There are several hypotheses about what is going on, but they primarily involve the urban land use and urban aerosols.” The ...

The Earth Observatory shares images and stories about the environment, Earth systems, and climate that emerge from NASA research, satellite missions, and models.

Among the mysteries of the South American Monsoon, explains Fu, is how the first thunderstorms of the wet season get started. A monsoon is an atmospheric see-saw in which the large-scale circulation ...

Carbon is the backbone of life on Earth. We are made of carbon, we eat carbon, and our civilizations—our economies, our homes, our means of transport—are built on carbon. We need carbon, but that need ...

It was the summer of 1990 and broiling hot in southwest Oman. The small group spread out their sleeping bags on a desert mesa, under the setting Sun. They had not planned on stopping here for the ...