Numbers of avian species in the Mojave Desert have fallen.

The materials are a previously unaccounted-for source of methane and ethylene, researchers find.

The nomination of Kelvin Droegemeier has been met positively by members of the scientific community.

With samples taken from the crust of the Mid-Atlantic Ridge, researchers have discovered where some of the oceans’ dissolved organic carbon winds up.

In a world beset by climate change, marine pollution, and dwindling natural resources, a member of the mushrooming human population pauses to consider his role.

Assessments of species vulnerability provide crucial information for conservation efforts. But the science behind them is still evolving.

From the difficulty of tracking rare populations to the danger of poachers exploiting distribution data, the complications of studying endangered species require creative solutions from researchers.

To calculate the likelihood that organisms will be harmed by climate change, researchers estimate their exposure, sensitivity, and ability to adapt to new conditions.

Researchers devise more-realistic means of forecasting the effects of climate change on complex marine ecosystems.