1+ hour, 29+ min ago  (803+ words) Salmon are built for tough journeys. They hatch in freshwater, travel to the ocean, then fight their way back upstream to spawn. It's a cycle that has worked for thousands of years. But in parts of California, that journey is…...

18+ hour, 19+ min ago  (759+ words) Rivers worldwide have grown warmer, poorer in oxygen, and more loaded with heat-trapping gases since 2002, according to new research. The study recasts river damage as a climate problem, because the same changes that strain fish also feed gases into the…...

1+ day, 23+ hour ago  (765+ words) A recent study discovered measurable poison in wild false morel mushrooms eaten before a rare cluster of the fatal nerve disease ALS appeared in the French Alps. The discovery does not prove the mushrooms caused the illness, but it sharpens…...

1+ day, 21+ hour ago  (854+ words) Cities feel permanent. Roads, buildings, and monuments give a sense of stability. But some cities move in ways we cannot see day to day. Mexico City shows this clearly. The ground beneath it is slowly sinking, and now a new…...

5+ day, 2+ hour ago  (981+ words) California's landscapes often feel timeless. Golden hills with oaks, deserts with Joshua trees, and redwoods rising through coastal fog create a sense of stability. But new research suggests this permanence may be misleading. A recent study reveals that many of…...

1+ week, 1+ day ago  (839+ words) Heat waves often feel like short, intense events. A day of extreme heat passes, and life returns to normal. But new research suggests that organisms may carry a memory of that heat far beyond a single lifetime. This idea is…...

1+ week, 2+ day ago  (883+ words) Climate change is rewriting what "normal" weather looks like. What used to be rare is becoming increasingly common " heatwaves that last longer, storms that hit harder, and seasons that no longer follow familiar patterns." There was a time when extreme…...

2+ day, 15+ hour ago  (821+ words) Researchers have found that the golden oyster mushroom, a widely cultivated edible species, reduces the number and variety of native fungi when it colonizes forest wood. That shift turns a common food item into an ecological competitor that can quietly…...

4+ day, 15+ hour ago  (785+ words) Researchers have found that clay towers built by young Amazonian cicadas protect the insects from predators and help regulate air flow during their final stage of development. The discovery resolves a long-standing mystery about the purpose of these structures and…...

6+ day, 14+ hour ago  (939+ words) The night sky may no longer belong entirely to the darkness if a new space project moves ahead as planned. The vision of the developers is to use sky mirrors to reflect sunlight onto Earth after dusk falls The idea…...