The Earth's hidden ocean is 700 km beneath this continent. Scientists made a discovery that changes everything we thought we ...

Since physical and chemical erosion yield comparable carbon fluxes, studying both together is essential to avoid biases in erosion-driven carbon flux estimates.

The space rock caused quite a stir after astronomers first spotted it last year on a trajectory bringing it uncomfortably ...

New research into fossilized rock formations in Zimbabwe is shedding light on Earth's nitrogen cycle before the rise of ...

Living organisms need nitrogen as a central building block for protein formation, for example. However, although our ...

As massive glaciers scratched and scarred Earth’s rocky surface, they freed less-common minerals, which were later flushed ...

Zare’s team demonstrated the existence of micro-lightning, very small electricity discharges that occur between tiny droplets ...

Illinois’ commercial fossil trade is alive and well thanks to collectors who are motivated by money, science and the hunt — and who test the outer bounds of legality.

Comets, which are mixtures of ice and rock formed in the distant ... as rain–a process known as the water cycle. The quantities of water on Earth, both past and present, are well documented.

New research reveals that hydrothermal vents provided early Earth with abundant nitrogen, challenging previous theories.

Water once existed in abundance of at the surface of Mars. How much of that water has been stored in the planet's crust is still unclear, according to a new analysis.