Why is our Moon so massive compared with Earth, and how might that configuration happen elsewhere?

Kimberly M. S. Cartier
Kimberly M. S. Cartier, Senior Science Reporter for Eos.org, joined the Eos staff in 2017 after earning her Ph.D. studying extrasolar planets. Kimberly covers space science, climate change, and STEM diversity, justice, and education
Good News: Rocks Crack Under Pressure from Mineral CO2 Storage
When carbon mineralizes in stone, each new fracture exposes more surfaces that can react with and trap CO2, enhancing a rock’s storage capacity.
Lunar Water from China’s Lander Matches Apollo Samples
Chang’e-5’s results are the first in situ measurements of water on the Moon.
Can Uranus’s Rings Reveal the Planet’s Deepest Secrets?
Planetary rings can act as seismometers that respond to changes deep within a planet.
A Gas Pipeline Investigation Built on Community-Centered Ideas
From developing a research question to enacting solutions, environmental justice requires community engagement in every step of the scientific process.
New “Snakebot” Could Map Cambodian Minefields
By navigating under dense vegetation, an innovative robot could significantly reduce the monetary, environmental, and human cost of demining Cambodia.
Mars from the InSight Out
There’s a seismometer on Mars, and it’s been busy! Download our free illustrated poster.
Five Reasons Geoscience Should Care About Astronomy’s New Road Map
The latest road map to U.S. astronomy’s next decade recommends a smaller space telescope, ground-based facilities, and an institutional effort to create an inclusive and equitable field.
¿Cómo saber si has experimentado el calentamiento global?
Contestar esta pregunta puede ayudar a tomadores de decisiones, científicos y comunicadores climáticos a desarrollar estrategias más efectivas para llegar a escépticos y negacionistas.