Buff-tailed bumblebees are robbing hummingbirds of nutrients — just one of several threats facing the tiny birds, a new book reveals. 

A new report puts into focus for the first time the scope of the state’s drinking-water problems and what it will take to fix them. 

The pressures of climate change and human land use could lead to the disappearance of unique biodiversity and vital ecological services.

Invasive predators have cornered these endangered Patagonian frogs in the last remnant of their habitat.

Wild plants related to our main agricultural crops are important to future food security. But more than half are endangered, a new study finds.

A new study compares snowpack across the world and offers a tool to help scientists pinpoint where this critical resource is waning — and what that means for ecosystems and economies.

Planting milkweed can help monarch butterflies, but new research shows that there’s still a lot we can learn about how to do that effectively.

An agency insider looks at a history of failure and sees long-delayed opportunities for change and progress.

Dozens of frogs, fish, orchids and other species — many unseen for decades — may no longer exist due to humanity’s destructive effects on the planet.

The textile industry has a significant carbon footprint. But changing what our clothes are made of can make a big difference in cutting climate pollution.