Researchers found signs of melting in zircon crystals in the crust that correspond to our planet’s journey through the galaxy’s spiral arms.
geochemistry
Posted inNews
Shallow Injection Imperfectly Filters Florida Wastewater
Injection of wastewater into shallow wells is meant to filter nutrients like nitrogen and phosphorus out of the wastewater. But a new study suggests that nutrients aren’t entirely eliminated—and may be polluting coastal waters.
Posted inResearch & Developments
Perseverance Sample Shows Possible Evidence of Ancient Martian Microbial Metabolisms
A sample collected in July 2024 by NASA’s Perseverance Mars rover may be “the closest we’ve actually come to discovering ancient life on Mars,” according to Nicky Fox, the science head of NASA.
Posted inFeatures
When Disaster Science Strikes Close to Home
How have scientists across Los Angeles used their skills to help their communities recover from the 2025 fires?
Posted inFeatures
Burning Urban and Wild Land Alike
When more densely populated Altadena and Pacific Palisades burned along with surrounding wildlands, hazards for residents didn’t stop when the fires were contained.
Posted inNews
Infrared Instruments Could Spot Exotic Ice on Other Worlds
Phases of ice that exist naturally only on frozen moons could be detected using infrared spectroscopy, according to new laboratory experiments.
Posted inResearch Spotlights
地震如何改变湖泊微生物群落
提示：地震发生后，湖泊的地质、化学和生物成分会重新配置。一项新的研究深入探讨了地震变化对喜马拉雅地区措普湖的影响。
Posted inFeatures
Phoebe Lam: Embracing the Ocean’s Complexities
A generalist at heart, this geochemist is unraveling the mysteries of the ocean’s chemical cycling.
Posted inResearch Spotlights
How Earthquakes Shake Up Microbial Lake Communities
After an earthquake, a lake’s geological, chemical, and biological components get reconfigured. A new study dives into the effects of seismic shifts on the Himalayas’ Lake Cuopu.
Posted inNews
Warming Gulf of Maine Buffers Ocean Acidification—For Now
Scientists constructed a 100-year history of acidity in the Gulf of Maine. They expected coastal variability but were surprised by what they didn’t find: a strong anthropogenic signal.