Saturn's icy

Process that might have led to first organic molecules

Central Alps of Switzerland

Formation of the Alps: Detaching and uplifting, not bulldozing

Summary of major extinction events through time, highlighting the new, Carnian Pluvial Episode at 233 million years ago. Credit: D. Bonadonna/ MUSE, Trento

Discovery of a new mass extinction

The dawn crested penguin Eudyptes atatu in New Zealand, three million years ago. Image by Simone Giovanardi. Permission for use of the image for a press release is granted by the artist. Credit: Massey University

Newly-described fossils reveal an ancient origin for New Zealand penguins

A rough diamond from Kankan, Guinea, that was analyzed in a new study led by a PhD student at the U of A. The imperfections inside the diamond are small inclusions of a mineral called ferropericlase, which is from the lower mantle. Credit: Anetta Banas

Uncovering new understanding of Earth’s carbon cycle

carbon cycle

Understanding Earth’s ‘deep-carbon cycle’

Eurypterid specimen image: Images of the eurypterid specimen fossil that led to Lamsdell’s discovery. Credit: Melanie Hopkins Photo

Coming up for air: Extinct sea scorpions could breathe out of...

Researchers collected and analyzed permafrost from four sites in the Yukon to develop a new technique to tease ancient DNA from soil, pulling the genomes of hundreds of extinct animals and thousands of plants from less than a gram of sediment. Credit: Tyler Murchie/ McMaster University

Thousands of species recorded in a speck of soil

A plume of ash and dust rises from Pavlof Volcano on the Alaskan Peninsula in 2013. Credit: NASA

Volcanic ash may have a bigger impact on the climate than...

Enhanced map of hematite (red) on Moon using a spheric projection (nearside only). Credit: Shuai Li

Has Earth’s oxygen rusted the Moon for billions of years?

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