About 700 million years ago, Earth froze over so completely that even tropical oceans turned to ice, an episode scientists call Snowball Earth. New research now points to an overlooked accomplice in ...

Lead author Darrell Kaufman, a Regents' professor in the School of Earth and Sustainability, and University of Arizona postdoctoral researcher Ellie Broadman, a co-author who worked on this study ...

A team of scientists led by the German Center for Integrative Biodiversity Research (iDiv), the Helmholtz Center for ...

Switzerland is warming faster than the planet, and new climate scenarios warn of more heat waves, droughts, and less snow in ...

Decades of satellite observations show that Earth's vegetation forms a moving balance point across continents and seasons.

The most detailed portrait ever of the Earth’s land surface is being created with ESA’s Envisat environmental satellite. The GLOBCOVER project aims at producing a global land cover map to a resolution ...

A closer look at Earth’s history shows that melting ice sheets temporarily increased stratification in the Southern Ocean.

Early Eocene forest, Wyoming, U.S. Illustration by Julius Csotonyi, Smithsonian Institution Pollinators play a vital role in fertilising flowers, which grow into seeds and fruits and underpin our ...

Between 720 million and 635 million years ago, Earth may have experienced one of ...