Ancient Mars boasted abundant water, but the cold and dry conditions of today make liquid water on the Red Planet seem far ...

Winter is setting in across the Northern Hemisphere, and with it, cold and cloudy winter days. Clouds play a vital role in ...

Cleaner air is making marine clouds dimmer and oceans warmer, revealing a hidden climate trade-off as pollution declines.

Two weeks ago, I talked about an introduction to radar and how it works on a basic level. This time, we are looking into radar reflectivity specifically, the most popular product of weather radar.

Earth’s climate is being changed substantially by a buildup of atmospheric greenhouse gases, but a group of leading climate scientists contends the overall impact is not understood as well as it ...

Due to their stable design, Fizeau interferometers are used to determine the topography of surfaces such as, e.g., plane surfaces. PTB has now developed a method which makes it possible to analyze ...

A new analysis of the Northern Hemisphere's "albedo feedback" over a 30-year period concludes that the region's loss of reflectivity due to snow and sea ice decline is more than double what ...

IT would appear that there may have been some ambiguity in the use of the terms ‘standard reference surfaces’ and ‘standard values’ in our recent article on the above subject 1. The standard reference ...