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The public could have days or months of warning about a major earthquake through identification of prior low-level tectonic unrest over large areas, according to research by a University of Alaska Fairbanks scientist who analyzed two major quakes in Alaska and California.

I can barely hear Esther Ngumbi over the roar of greenhouse fans as she shows me around her rooftop laboratory in Morrill Hall. The benches are full of tomato plants, and the tomatoes don’t look good. Half of the plants are submerged in bins of water.

In a significant move toward marine conservation, the Congress is considering the OCTOPUS Act, a federal law that aims to ban commercial octopus farming in the United States.

The layer of sea ice that caps the Arctic Ocean hits its maximum thickness during the long, dark polar night that accompanies winter.

Climate change is affecting ecosystems in many different ways.