Mega-canyon discovered beneath Greenland ice sheet

A previously unknown canyon hidden beneath two kilometers of ice covering Greenland has been discovered by a group of scientists, led by a team from the University of Bristol.

Decoding material fluxes in the tropical ocean

How is vital oxygen supplied to the tropical ocean? For the first time, oceanographers at GEOMAR Helmholtz Centre for Ocean Research Kiel were able to make quantitative statements regarding this question. They showed that ...

Navy turns to UAVs for help with radar, communications

Scientists recently launched unmanned aerial vehicles (UAVs) from a research vessel in a significant experiment that could help boost the Navy's radar and communications performance at sea.

Distorted GPS signals reveal hurricane wind speeds

By pinpointing locations on Earth from space, GPS systems have long shown drivers the shortest route home and guided airline pilots across oceans. Now, by figuring out how messed up GPS satellite signals get when bouncing ...

Arctic exploration provides window on future climate change

Climate model projections show that the Arctic Ocean will be completely ice-free by the summer by 2060. However, the record lows in sea ice extent of 2007 and 2012 demonstrated that these projections were too optimistic and ...

UN says 2001-2010 decade shows faster warming trend

Global warming accelerated since the 1970s and broke more countries' temperature records than ever before in the first decade of the new millennium, U.N. climate experts said Wednesday.

New maps show how shipping noise spans the globe

The ocean is naturally filled with the sounds of breaking waves, cracking ice, driving rain, and marine animal calls, but more and more, human activity is adding to the noise. Ships' propellers create low-frequency hums that ...

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