Atmospheric deposition of anthropogenic nitrogen has become a major nitrogen source in the South China Sea.
Plate tectonics leave a signature in the pattern of rivers on Earth, which is missing in those on Mars and Titan.
The Neptune-sized exoplanet HAT-P-26b has an atmosphere containing water and clouds.
A giant ring laser, sensitive to the spin of the planet and the twist of earthquakes, will open new windows in earth science.
At least 12 faults spaced up to 15 kilometers apart ruptured during the magnitude 7.8 Kaikōura earthquake.