They haven’t snowed on us in Panama, but they have definitely gotten in our way. Unusual weather, possibly associated with weak La Niña conditions, is resulting in more moisture transport to Panama ...

In 1967 Hansen went to work for NASA’s Goddard Institute for Space Studies, in New York City, where he continued his research on planetary problems. Around 1970, some scientists suspected Earth was ...

Throughout its long history, Earth has warmed and cooled time and again. Climate has changed when the planet received more or less sunlight due to subtle shifts in its orbit, as the atmosphere or ...

The crew of the Beagle was denied landing on Tenerife because of fears they might be carrying cholera. The Operational Land Imager (OLI) on Landsat 8 acquired this image of the island on January 25, ...

Earth has experienced climate change in the past without help from humanity. We know about past climates because of evidence left in tree rings, layers of ice in glaciers, ocean sediments, coral reefs ...

To research the wintry tundra near Denali National Park, scientists often turn to a four-legged mode of transport to reach their field — sled dogs. At Eight Mile Lake, just outside the Park boundaries ...

On May 5, 2012, I was attending a conference at ICIMOD (the Kathmandu-based International Centre for Integrated Mountain Development). I heard about the terrifying disaster that day. A flash ...

The ASTER image above shows the outlines of the avalanche source, the avalanche deposit, the maximum extent of the impoundment lake, and the routes of the Richardson Highway and the Trans Alaska ...

It’s really hard to believe, but I will already be departing Panama tomorrow. When I arrived a week ago, on February 5, I had a hunch but didn’t fully appreciate just how busy our AVUELO ground and ...

On February 6, 2025, after years of preparation and four months of intense planning, an aircraft with an advanced NASA instrument took off for the AVUELO campaign’s first survey in the tropics, while ...

Update on February 5, 2025: This Landsat image shows the Zavaritskogo (also called Zavaritskii) caldera in the Kuril Archipelago, between northern Japan and Russia’s Kamchatka Peninsula.