NASA satellites and sensors constantly take the pulse of our planet, measuring how Earth changes by the day, season, year, and decade. Researchers and resource managers analyze those measurements and ...

Here we are, already on Day 6 of AT32, our november cruise on the North Atlantic, and we will reach our first station tomorrow. Today the weather is rough, as can be seen in this picture but during ...

A 1960’s movie classic, “The Graduate” (1967), contains a scene where the young Benjamin Braddock (Dustin Hoffman) is given advice about his future by the worldly Mr. McGuire (Walter Brooke): Mr.

I have always wanted to visit Greenland, the “ground zero” for climate change. Its ice cap rises more than 3,200 meters (2 miles!) above sea level and it holds so much ice that if it all melted, the ...

A longstanding technical challenge for oceanography has been how to measure the sea surface – temperature, salinity, gas exchange, or surfactants – to name a few examples. Obviously enough, the ...

I’m writing this post on our last day in St. Mary’s, Alaska. This tiny village of about 560 inhabitants had its surroundings ravaged by two large tundra fires in the summer of 2022. The East Fork fire ...

While gymnasts leap, cyclists pedal, and divers twirl for Olympic gold in Rio de Janeiro, sensors on several NASA Earth Observing satellites are catching glimpses of the city and its surroundings from ...

As described in another blog post, CYGNSS is a constellation mission with eight satellites. Typically, when you launch a single satellite, you use a single rocket to put it into orbit. With eight ...

In thinking back over the past two weeks here in Galapagos and going over the nearly 1,300 photographs that I have taken, I wanted to select a few that while perhaps not the best pictures in an ...

Update: This Landsat 9 image shows an island group and its surrounding waters off mainland Mozambique. Congratulations to Mark for being the first reader to identify the location and to Yaakov ...

As we head into the 2018 Atlantic hurricane season, now is a good time to reflect on the accomplishments achieved by CYGNSS since its launch in December 2016. Early mission operations focused on ...

In response to Map of the Ancient Mississippi a few of you left comments to the effect of “no one should live in floodplains.” It’s an appealing notion, but I think it’s unrealistic. Anne Jefferson of ...