Giant octopuses may have ruled the oceans 100 million years ago
Hokkaido University
Published: 23 April 2026
Fossil jaw analysis reveals ancient octopuses reached up to 20 meters in length and were apex predators rivaling marine reptiles during the Cretaceous, providing first evidence that invertebrates evolved into giant intelligent ocean predators.
Keywords: fossil, octopus, Cretaceous, apex predator, paleontology, marine evolution, jaw fossils, deep sea
Seismic record analysis can reveal a glacier's past
University of Alaska Fairbanks Geophysical Institute
Published: 10 April 2026
UAF researchers analyzed 20 years of seismic signals from Columbia Glacier to show how iceberg calving events recorded by earthquake sensors can reveal long-term changes in glacier behavior.
Keywords: glacier, seismic monitoring, Columbia Glacier, iceberg calving, Arctic, climate change, Alaska
Decades of Data on a Changing Atlantic Circulation
National Oceanic and Atmospheric Administration (NOAA)
Published: 15 April 2026
NCEI and University of Maryland scientists used over 60 years of continuous oceanic records to analyze critical parts of the AMOC, including the Gulf Stream system, Northwest Atlantic, and Gulf of Maine.
Keywords: AMOC, Atlantic circulation, Gulf Stream, ocean currents, climate change, ocean monitoring, NCEI
