Satellite data reveals a concerning trend: over 21% of the world's oceans have darkened in the last two decades, shrinking ...

If you live in Pittsburgh, you know it’s not exactly flat. Hills, slopes, and elevation changes are part of what makes this city beautiful, but they can also cause serious problems for homeowners.

Central Asia’s five countries recently agreed to a new water-sharing framework for the Syr Darya and Amu Darya—glacier-fed rivers essential to agriculture, energy, and drinking water across the region ...