January 5, 2012
Crystal Ball EARTH: Space: NASA keeps watch on a changing planet
In 2009, we saw a number of changes on Earth. The average global ocean surface temperature last summer was the warmest on record. Thin seasonal …
The EARTH archive
Nasa
Explore the archive by subject.
58 articles · Page 3 of 3
January 5, 2012
Crystal Ball EARTH: Policy: A tale of two years
In U.S. policy, the past year was dominated by discussions of energy and climate change issues, at least in the earth sciences realm. In the …
January 5, 2012
CryoScoop: Sea ice synopsis and a whale tale
The extent of Arctic sea ice shrinks each year during the northern hemisphere’s spring and summer, trading a white frozen surface for dark open …
January 5, 2012
CryoScoop: Massive rift portends Antarctic berg
Researchers flying over West Antarctica last month were at the right place at the right time, spotting an actively growing rift that they expect …
January 5, 2012
Charting a course correction: A review of Earth: The Operators' Manual
Rare are the scientists like Richard Alley. An exceptional researcher known for his work on the great polar ice sheets, he is also a central …
January 5, 2012
Blogging on EARTH: Webb Space Telescope ensnared in political drama
Perhaps you have heard of the psychological principle of entrapment. In college, a friend of mine once described it to me while we stood in a …
January 5, 2012
Bids in space: When should we outsource government science?
Government research and development has its limits: Time, money and bureaucracy can all hamper the timely progress of research. As a result, many …
January 5, 2012
A memoir: A decade-plus of tracking lunar larceny
In the back alleys of the world’s capitals and in the ballrooms of presidential palaces exists a black market that preys on the imagination of …
January 5, 2012
A day without Glory
On a warm afternoon in early March, the Taurus XL rocket that was prepped for launch at Vandenberg Air Force Base in Southern California looked …
January 5, 2012
2012 budget requests a mixed bag for science
The Obama administration emphasized scientific innovation and education in its fiscal year 2012 budget requests. On Monday, the president’s …