If liquid water and elevated crust existed so early in Earth’s history ... on chert cobbles in conglomerates; and (3) karst topography preserved on the tops of chert beds.

In 2014 and early 2015 NASA launched five major Earth-observing missions ... But too little water is a more pervasive and lasting threat. Without moisture in the soil, a healthy environment ...

Earth system ... simulations with and without the new land surface subgrid and downscaled atmospheric variables revealed ...

As construction of a pipeline nears, an effort to preserve an Indigenous trail in Canada tests whether heritage management can keep up with advances in archaeology.

The sheep's fondness for end-of-the-Earth locales led me to this precipitous slope, struggling to find a way up without somersaulting ... Though its topography is reminiscent of the plateaus ...

In the middle of the Sacramento Valley, where the earth transforms from flat ... We wouldn’t be the same without it.” From Harris’ perspective, residents of surrounding communities have ...

Water flow depends on climate variables such as rainfall and air temperature. River channel formation is also influenced by ...

The arid region sometimes develops lakes after heavy rain, hinting at how the desert may have once had a different climate.

The timing hinges on a few different factors, said Keeton, including geographic location, topography and local ... the leaves their vibrancy. Without ample water, there's less sugar in the trees ...

Two weeks after the storm hit, thousands are still without power, water or cell service. Gary Lackman, a professor of marine, earth and atmospheric sciences at North Carolina State University ...

Caddo maples are a native Oklahoma tree and they do just fine, thank you, growing as a landscaping addition in the Oklahoma City metro area.