We all know Earth is special, but we may not fully appreciate how good we have it on this planet. Unlike its planetary neighbors, Earth has remained habitable for billions of years thanks to a ...

First ed. issued as: Global biogeochemical cycles / edited by Samuel S. Butcher ... [et al.]. London ; San Diego : Academic Press, c1992. (International geophysics ...

The world's oceans have seen significant declines in certain types of microscopic plant-life at the base of the marine food chain, according to a new NASA study. The research, published Sept. 23 in ...

Earth’s Mantle Nitrogen Content Is Comparable To That Found In Its Nitrogen-Rich Atmosphere. Mantle Nitrogen has been proposed to be primordial or sourced by later subduction, yet its origin has not ...

The world’s oceans have seen significant declines in certain types of microscopic plant-life at the base of the marine food chain, according to a new NASA study. The research, published Sept. 23 in ...

Not only is Greenland's melting ice sheet adding huge amounts of water to the oceans, it could also be unleashing 400,000 metric tons of phosphorus every year - as much as the mighty Mississippi River ...