International research collaboration finds more than 1300 species of lichen in Southern Alaska.

Today, sea-level rise is a great concern of humanity as climate change warms the planet and melts ice sheets in Greenland and Antarctica. Indeed, great coastal cities around the world like Miami and New Orleans could be underwater later in this century.

Research on Russian drill core challenges long-standing models of oxygenation on Earth.

The greenhouse gas methane is a crucial factor of climate change in the Arctic and globally as well. 

One day last July, Ariane Middel and two other Arizona State University researchers headed west on Interstate 10.

After its lava lake drained and the floor dropped, water has been pooling up in the bottom of Halema‘uma‘u crater for several months.

In a bay off the coast of northwest Africa, conditions are almost always just right for phytoplankton blooms.

Oppressively hot summer days often evoke the expression, “it’s not the heat, it’s the humidity.” That sticky, tropical-like air combined with high temperatures is more than unpleasant — it makes extreme heat a greater health risk.

New insights could help farmers, water managers in tropical regions prepare for impact on crops.

The new technique could have significant implications for climate change predictions.