Study Challenges Popular Theory on Why Primordial Bugs Were So Darn Huge
About 350 million years ago, dragonflies were roughly 27 inches (70 centimeters) wide. Scientific consensus is that high…
Rising atmospheric CO2 reduces nitrogen availability in boreal forests
Galloway, J. N. et al. Transformation of the nitrogen cycle: recent trends, questions, and potential solutions. Science 320,…
A universal concept for melting in mantle upwellings
Experimental apparatus All experiments were conducted in a 6–8 multi-anvil apparatus with 32 mm edge length WC cubes featuring…
Scientists Just Detected a Long-Lost Planet ‘Hiding’ Inside Earth
If proto-Earth had all its parts and chemistry replaced to become the Earth we know today, can the…
The Moon is rusting — thanks to ‘wind’ blown all the way from Earth
A stream of charged particles that blows from Earth (foreground) to the Moon could account for the rust…
Redox-driven mineral and organic associations in Jezero Crater, Mars
Farley, K. A. et al. Mars 2020 mission overview. Space Sci. Rev. https://doi.org/10.1007/s11214-020-00762-y (2020). Farley, K. A. et…
New Study Fuels Debate Over World-Changing Comet Strike 12,800 Years Ago
Roughly 12,800 years ago, as Earth was emerging from its last great ice age, temperatures in the Northern…