The Sea of Tranquility is home to at least one lunar lava tube, which could preserve a pristine and unweathered record of lunar volcanism.

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
Metallic Nodules Create Oxygen in the Ocean’s Abyss
These nodules, a focus of seabed mining interests, could be natural “geobatteries” and play a larger-than-expected role in the deep-sea ecosystem.
Samantha Montano: Helping Communities Recover
A disasterologist has a passion for making emergency management systems more just and equitable.
One Question About Climate, and Barely an Answer at Biden-Trump Debate
In this election cycle, stakes are high for the environment and the scientific community. You wouldn’t know that from the first presidential debate.
First Samples from the Moon’s Farside Return on Chang’e-6
These samples could provide novel geologic insight into the Moon’s formation and history.
Black Space Week Celebrates Fifth Anniversary
The annual event has grown from a viral hashtag to a global uplifting of Black experiences with space.
A Magma Ocean Fuels This Exoplanet’s Atmosphere
The finding is an atmospheric first for astronomers but not for the planet.
Strike-Slip Faults Could Drive Enceladus’s Jets
The back-and-forth motion could also reshape surface geology at the moon’s south pole.
Mars Mission’s Monetary Roller Coaster Hits New Lows
In February, the NASA research center laid off more than 500 people, citing congressional budget uncertainties over the controversial Mars Sample Return mission. What is its path forward?
Climate Change Threatens 70% of Winemaking Regions
In regions where natural resources are scarce or economies depend on producing certain wines, adapting and diversifying grape crops is easier said than done.