Stronger-than-expected ultraviolet flares could either provide exoplanets the sparks of life or prevent them from having life at all.

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
Anemic Stars Don’t Host Super-Earths
Planetary systems need the right stuff to make planets, and some stars just don’t have it.
Lunar Lava Tube Revealed Beneath Collapsed Pit
The Sea of Tranquility is home to at least one lunar lava tube, which could preserve a pristine and unweathered record of lunar volcanism.
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.