Earth Sciences

Earth Sciences

Ancient Sediments Reveal Shifting Tropical Rainfall Patterns

Historic lake sediment dug up by University of Pittsburgh researchers reveals that oceanic influences on rainfall in Central America have varied over the last…

Earth Sciences

Increases in Extreme Rainfall Linked to Global Warming

In the most comprehensive review of changes to extreme rainfall ever undertaken, researchers evaluated the association between extreme rainfall and atmospheric…

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Earth Sciences

Researchers Find Evidence of Geological ‘Facelift’ in the Appalachians

Researchers from North Carolina State University noticed that a portion of the Appalachian Mountains in western North Carolina near the Cullasaja River basin…

Earth Sciences

New Study Challenges Human Evolution Theories Through Vegetation Change

A new analysis of the past 12 million years' of vegetation change in the cradle of humanity is challenging long-held beliefs about the world in which our…

Earth Sciences

NASA-NOAA's Suomi NPP Satellite Sees Powerful Cyclone Felleng

The Visible Infrared Imager Radiometer Suite (VIIRS) aboard NASA-NOAA's Suomi NPP satellite captured a night-time image of Cyclone Felleng when it was located…

Earth Sciences

Satellite Image Reveals Severe Weather System Over Eastern U.S.

An image released from NASA using data from NOAA's GOES-13 satellite provides a stunning look at the powerful system that brings a return to winter weather in…

Earth Sciences

NASA Observes Overshooting Cloud Tops in Cyclone Felleng

An overshooting (cloud) top is a dome-like protrusion that shoots out of the top of the anvil of a thunderstorm and into the troposphere. It takes a lot of…

Earth Sciences

Spring may come earlier to North American forests

Trees play an impor­tant role in tak­ing up car­bon diox­ide from the atmos­phere, so researchers led by David Med­vigy, assis­tant pro­fes­sor in Princeton’s…

Earth Sciences

NSF Team Samples Antarctic Lake Beneath Ice Sheet

In a first-of-its-kind feat of science and engineering, a National Science Foundation (NSF)-funded research team has successfully drilled through 800 meters…

Earth Sciences

Ancient Water Trails Revealed by Ridges on Mars

Networks of narrow ridges found in impact craters on Mars appear to be the fossilized remnants of underground cracks through which water once flowed, according…

Earth Sciences

How Antarctica Transformed from Forests to Ice

Thirty four million years ago, Antarctica was covered with temperate forests that included beech trees and cycads. Then, over a geologically short period of…

Earth Sciences

Central Valley Irrigation Boosts Southwest Rainfall Events

Agricultural irrigation in California’s Central Valley doubles the amount of water vapor pumped into the atmosphere, ratcheting up rainfall and powerful…

Earth Sciences

Cities Affect Temperatures for Thousands of Miles

In a new study that shows the extent to which human activities are influencing the atmosphere, scientists have concluded that the heat generated by everyday…

Earth Sciences

NASA sees Cyclone Garry's strength peaking in South Pacific

When NASA's Aqua satellite passed over Cyclone Garry the AIRS instrument captured an infrared image of Garry's clouds, providing temperature data to…

Earth Sciences

NASA Analyzes Cyclone Oswald’s Lasting Impact on Queensland

Oswald has dropped a lot of rainfall throughout Queensland. An earlier rainfall analysis using NASA's TRMM satellite data showed Oswald and its remnants had…

Earth Sciences

Analysis of Greenland Ice Cores Adds to Historical Record and May Provide Glimpse into Climate's Future

A new study that provides surprising details on changes in Earth's climate from more than 100,000 years ago indicates that the last interglacial–the period…

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