Ecosystem changes following loss of great white sharks

A new study has documented unexpected consequences following the decline of great white sharks from an area off South Africa. The study found that the disappearance of great whites has led to the emergence of sevengill sharks, a top predator from a different habitat.

Land Ho! Visiting a Young Island

When the volcanic island burst into being in January 2015 it immediately captured the attention of NASA scientists keen to understand how new islands form and evolve on Earth – which may also give them clues about how volcanic landscapes interacted with water on ancient Mars.

From paradise to landfill: beloved California beach covered in trash

After a trio of winter storms dropped inches of rain on the area, the beach looked more like a landfill than a pristine paradise. That’s because Seal Beach lies at the mouth of the San Gabriel river, which drains runoff from more than 50 cities in the Los Angeles river basin.