Much of the world's farmland is already at risk from palmer amaranth. The threat could spread further north as the climate warms.
Climate change is warming our oceans, and that thermal energy is fueling stronger hurricanes.
For seeds, it’s a race against time to create the chloroplasts they need to survive during the first 48 hours in the ground.
Scientists identified the key gene that helps certain rice varieties keep their heads above water.
Escaped methane likely warms the climate as much as all natural gas burned in the U.S.
Interplay between forests and the atmosphere leads to surprising relationships between distant regions.