ancient seas
Coverage of ancient seas in the Nexus archive.
- There's a new T. rex in town! New species of mosasaur measuring 43 FEET long terrorised the ancient seas
A new species of 43-foot-long mosasaur has been discovered, revealing a prehistoric marine predator that once dominated ancient seas. The find highlights significant advancements in paleontological research.
- Daily briefing: The heart’s pumping motion seems to keep cancer at bay
A study published in Nature on April 24, 2026, found that non-beating hearts in mice were rapidly overtaken by cancer cells, suggesting heartbeats may help prevent cancer. Additional findings include evidence that large octopuses dominated ancient seas and geopolitical factors influencing health data sets.
- Meet the 19-metre octopus that prowled the ancient seas
Fossil evidence suggests giant octopuses, up to 19 meters in size, may have dominated ancient oceans 100 million years ago. The discovery highlights the evolutionary history of cephalopods and their dominance in prehistoric marine ecosystems.