Earth should have lost its water long before life ever had a chance to appear. Bathed in a young Sun’s fierce radiation and wrapped in a global magma ocean, the planet’s surface looked more like a ...

The school's water tested at an annual average of 6.7 parts per trillion (ppt) for PFAS, below Pennsylvania's current standard of 14 ppt but above the upcoming federal limit of 4 ppt, which will take ...

Trees contain valuable information about Earth's past, so much so that studying their rings may help fill in hidden gaps in ...

Indigenous people have coexisted with Australia's vast and ancient groundwater systems for thousands of generations. Their ...

Omar Yaghi thinks crystals with gaps that capture moisture could bring technology from “Dune” to the arid parts of Earth.