The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as threatened species and designate seven ...

American carpenter and sawmill operator James Wilson Marshall discovered gold in the foothills of California’s Sierra Nevada mountains. The discovery‚ facilitated by Native American guides who knew ...

Scientists are grappling with a stark population decline of the western monarch butterfly after the species’ numbers hit a ...

Between climate change and the effects of humanity on the environment, many species have been harmed. Here are a few of them ...

The functionally extinct delta smelt entered national politics in 2009, when Sean Hannity made it a symbol of ...

The formerly abundant native fish have seen their population plummet in recent decades ... declaration” cited by Trump that could supposedly somehow allow Northern California water to flow to the fire ...

The distinct Southern California population was added to the California ... Kats said there’s also insufficient time for native plants to spring back, allowing invasive species to crop up.

More than 150 years after the gold rush first began, some Americans are still digging for riches all over California.

In 2023, more than 16,000 butterflies were counted at one local grove. The most recent count was a tiny fraction of that.

A State Park Historian reveals 85% of California's gold remains unfound, keeping the legacy of the gold rush alive.

As I watched the California wildfires burn out of control last month, I couldn’t stop thinking about all of the victims of ...

Conservationists have pushed for changes to a busy two-lane highway that runs straight through the Alligator River National ...