This wildebeest fossil skull was excavated at the Ledi-Geraru research site, Ethiopia.
Credit: Josh Robinson
In 2013, an ASU research team found the oldest known evidence of our own genus, Homo, at Ledi-Geraru in the lower Awash Valley of Ethiopia. A...
the projected paths of global temperatures with a positive and negative Interdecadal Pacific Oscillation.
Credit: Study authors
Global temperatures could break through the 1.5°C barrier negotiated at the Paris conference as early as 2026 if a slow-moving, natural climate driver known...
Global map of the linear trend of dissolved oxygen at the depth of 100 meters.
Credit: Georgia Tech
A new analysis of decades of data on oceans across the globe has revealed that the amount of dissolved oxygen contained in the...
This is an acoustic recording station at the iconic tourist attraction Alcatraz Island in San Francisco Bay, Golden Gate National Park, California.
Credit: United States National Park Service
Protected areas in the United States, representing 14 percent of the land mass,...
Western spotted skunk.
Credit: © R. C. Dowler
Climate plays a key role in determining what animals can live where. And while human-induced climate change has been causing major problems for wildlife as of late, changes in Earth's climate have impacted...
Carcharhiniformes indet. tooth from the Saltarin core, Carbonera C2 Formation, early Miocene flooding.
Credit: Jorge Carrillo
A tiny shark tooth, part of a mantis shrimp and other microscopic marine organisms reveal that as the Andes rose, the Eastern Amazon sank twice,...
Tsunami warning sign (stock image).
Credit: © Petr Malyshev / Fotolia
A new NASA study is challenging a long-held theory that tsunamis form and acquire their energy mostly from vertical movement of the seafloor.
An undisputed fact was that most tsunamis result...
Cloud droplets form when the amount of water vapor reaches a threshold value. Larger cloud droplets form when organic molecules (in red) are present on the surface instead of dissolving in the interior, or bulk, of the droplet.
Credit: James...
Jasper Kirkby in front of the CLOUD prototype, with a sketch to illustrate the possible link between galactic cosmic rays and cloud formation.
Credit: Image courtesy of CERN
A novel experiment, known as CLOUD (Cosmics Leaving OUtdoor Droplets), begins taking its...
Natural emissions and humanmade pollutants can both have an unexpected cooling effect on the world's climate by making clouds brighter.
Credit: © Yuriy Kulik / Fotolia
University of Manchester scientists, writing in the journal Nature Geoscience, have shown that natural emissions...
The western U.S. has seen a 2-degrees-Celsius rise in annual average temperature and lengthening of the fire season by almost three months since the 1970s; both elements contribute to what the authors refer to as the "new era of...
