Sediment cores collected by instruments such as this one on the back of R/V Neil Armstrong shed light on how the North Atlantic Ocean of the last ice age circulated. Credit: Alice Carter-Champion A ...

Global detections of oxychlorine salts reveal a complex, 4-billion-year chemical cycle on Mars. They can act as de-icing agents, oxidants, a hazard and a vital resource for future human exploration.

Scientists collected sediment cores from the Southern Ocean to gather evidence for the existence of a “salty blob” that sequestered carbon deep in the ocean during the last ice age. Credit: Ryan ...

The Trump administration has holistically reevaluated the government’s relationship—and how it responds to threats— to the health and welfare of its citizens. The past year was a shock to the U.S.

Mass glacier melting may have led this influential ocean current system to collapse at the end of the last ice age. A pair of modeling studies examines how such a collapse could affect dissolved ...

Snowpacks in places such as this windswept alpine pass in the Front Range of Colorado are difficult to characterize with current remote sensing methods because of cloud cover, complex topography, and ...

Evidence of a massive underwater landslide lurks beneath the seafloor of the Norwegian Sea. Credit: Politikaner/NASA World Wind, Public Domain When it comes to landslides, some of our planet’s largest ...

Frontline communities are commonly described as groups most affected by environmental and social challenges. Marston et al. [2025] offer a broader definition based on the experiences of ...

Aurorae such as the southern lights, seen here over Antarctica, show the geomagnetic field in action. Some areas of the field, which shields Earth’s surface from charged solar particles, are stronger ...

The Amazon saw its worst wildfire season in decades in 2024. New research examines the consequences. Credit: CSU/CIRA & NOAA Wildfires in the rainy, humid Amazon might once have seemed unlikely, but ...

Improvements in subseasonal-to-seasonal forecasting (S2S), which projects weather 2 weeks to 2 months in advance, could support more informed decisions about when to plant and irrigate crops, among ...

Two new studies investigate the possible origins of organic molecules detected in plumes erupting from the surface of Saturn’s moon Enceladus, pictured here in an artist’s impression. Enceladus’s ...