In Antarctic lakes such as Lake Fryxell, fresh water freezes over briny liquid water. New research suggests that the liquid seawater during “snowball Earth” was up to 4 times saltier than modern ocean ...

Two United Tribes Technical College students collect soil samples from an undeveloped piece of land on their campus in Bismarck, N.D. Credit: Emily Biggane As the climate continues to change, soil and ...

Meteorological tsunamis, or meteotsunamis, are long ocean waves in the tsunami frequency band that are generated by traveling air pressure and wind disturbances. These underrated phenomena pose ...

An unusual failure has occurred on a cut slope adjacent to a key road in Greece. On 2 February 2026 a major, fascinating landslide occurred on the A5 Ionian motorway between Arta and Amfilochia in ...

(a) False-color image of a slowly moving twin front recorded over 20 ms (experiment CC12). The moving twin is highlighted in green and marked by a white arrow (see inset and supplementary video). The ...

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.

An American alligator surfaces in a Louisiana bayou. As apex predators, alligators shape wetland ecosystems through both trophic interactions and physical landscape ...

In the first year of his second term, President Donald Trump worked across agencies to roll back practical and political momentum to address the climate crisis. Experts say the array of administration ...

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 ...

Clouds on Venus race across the sky at speeds of more than 100 meters per second, driven by incompletely understood atmospheric dynamics. Credit: Kevin M. Gill, CC BY 2.0 Imagine the catastrophic ...

Earth’s largest mass extinction occurred around 252 million years ago, wiping out the majority of marine and terrestrial life, disrupting the global carbon cycle for several hundred thousand years, ...

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 ...