Before Earth became the Blue Planet, it was engulfed by a very different kind of ocean: a vast, deep magma ocean reaching down hundreds or perhaps even thousands of kilometers. As early Earth’s magma ...

A crowd beats the heat with spray from a fire hydrant in Seattle. A new method for measuring urban heat exposure shows that more densely populated neighborhoods may face higher heat and longer hot ...

An artist’s concept depicts what the Earth-analogue planet might look like, with the white dwarf star in the background. Credit: W. M. Keck Observatory/Adam Makarenko Earth’s future is bleak. At best, ...

Clouds hover over radar equipment at the U.S. Department of Energy’s Atmospheric Radiation Measurement Southern Great Plains Central Facility near Lamont, Okla. Credit: Nicki Hickmon, Argonne National ...

Fishermen ply their trade in the Gulf of Mannar in the Indian Ocean near Sri Lanka, one example of the vital importance of oceans to planet Earth and humankind. Measurements of ocean heating and sea ...

Antarctic ice is melting. But exactly which forces are causing it to melt and how melting will influence sea level rise are areas of active research. Understanding the decay of ice shelves, which ...

A satellite image of the Juruena River shows areas of deforestation in Mato Grosso, Brazil. Dark green areas are intact tropical forest, light green areas are cattle farms, and yellow or brown areas ...

High water levels can cause swift currents that make shipping barges difficult to maneuver and can overwhelm lock and dam systems. Such conditions have become more common since 1960, according to a ...

The United States could consume the added-sugar equivalent of as much as 7 billion additional cans of soda per year by 2095 as a result of climate change, according to a new study. A new analysis of ...

The ground beneath our feet is exhaling. Steadily and without pause, through a process called soil respiration, plant roots and microbes release carbon dioxide (CO 2) into the atmosphere. This ...

Enhancing confidence in satellite observations of terrestrial properties like land surface temperature and soil moisture requires advances in validation and data quality assessment practices. Lack of ...