A swarm of jellyfish just outmatched one of Europe’s most powerful nuclear plants, slipping through filters, liquefying, and ...

When deep-sea explorers from the Schmidt Ocean Institute went on expedition off the coast of Argentina, they were amazed to see an enormous creature floating through the gloom: a giant phantom ...

Sargassum, a type of seaweed that has overwhelmed tourism hot spots in recent years, has reached record quantities in the Gulf, Caribbean and West Atlantic, according to tracking by the University of ...

A Portuguese man o’ war has been spotted on Maltese shores earlier than expected this year, raising curiosity among locals ...

Often mistaken for their more dangerous relatives, the delicate by-the-wind sailors are largely harmless and rely on wind to ...