A pair of geologists with the U.S. Geological Survey, Denver, has created a model that shows Earth's subsurface may hold up to 5.6 × 10 6 million metric tons of natural hydrogen. In their study, ...

Which microbes thrive below us in darkness—in gold mines, in aquifers, in deep boreholes in the seafloor—and how do they compare to the microbiomes that envelop the Earth's surfaces, on land and sea?

In the tantalizing quest to find extraterrestrial life beyond our own solar system, or at least beyond Earth, we often forget the myriad ways in which life has evolved within our own planet’s deep ...

Subsurface reservoir engineering has become increasingly pivotal as the world intensifies its focus on sustainable energy systems and effective resource ...