One of the best surprises of my life was turning on my brand-new iPhone—before it had even been activated—glancing down at the screen, and seeing an image I had made. Apple chose the NASA Blue Marble ...

After our adventures in Quebec and Greenland, it was now time for our last stop in this intense season of fieldwork. This time we were heading to the Canadian Northwest Territories (NWT).

After our adventures in Quebec and Greenland, it was now time for our last stop in this intense season of fieldwork. This time we were heading to the Canadian Northwest Territories (NWT).

A number of the instruments deployed during SPURS are “works in progress.” They work well, but need exercise in new or more challenging environments to perfect them. The whole of SPURS is an ...

Vishnu, an Earth Observatory reader, posed a great question after viewing “The Six-Million Mile View of Earth and Moon“: “I’ve never seen a photo like that. Was the background beyond Earth ...

These key science points were published on September 27, 2013, as “headline statements” by the Intergovernmental Panel on Climate Change (IPCC) as part of the organization’s fifth assessment report.

There are not many places in the open ocean that get their own special name as a “sea.” Most seas are what we call marginal seas – offshoots of the major ocean basins. The Sargasso Sea, as a vast ...

Vishnu, an Earth Observatory reader, posed a great question after viewing “The Six-Million Mile View of Earth and Moon“: “I’ve never seen a photo like that. Was the background beyond Earth ...

In the United States, we say “it’s raining cats and dogs” when we get a heavy downpour. In South Africa, it rains “women with clubs.” In Slovakia, a good soak means “tractors are falling.” World ...

We are in the field supporting PACE-PAX (Plankton, Aerosol, Cloud, ocean Ecosystem Postlaunch Airborne eXperiment), a multi-disciplinary mission that involves two aircraft—the NASA ER-2 and CIRPAS ...

In mid-September 2012, the National Snow and Ice Data Center (NSIDC) announced that Arctic sea ice had reached a new record minimum — 3.41 million square kilometers (1.32 million square miles). The ...

The thermosalinograph (TSG) on Knorr is a shipboard instrument for measuring temperature and salinity of the near surface water . It is situated in a lab and receives a flow of water taken in near the ...