Dark Energy and the Cosmic Expansion

12/14/21 The Dark Energy Spectroscopic Instrument (DESI) is the most advanced probe of the relationship between dark energy and the expansion of the universe. A unique project in astronomy. Arjun Dey

Astrophysics Knowns and Unknowns

12/20/16 A guide to fundamentals of astrophyics at a time of many exciting --and sometimes puzzling-- discoveries. Priyamvada Natarajan

Understanding How Life Began

04/09/10 Molecules in meteorites met with an optimal chemical environment on Earth. Alonso Ricardo

Reconstructing Evolution: A Molecular Time Machine

02/23/16 Tracing ancient genetic changes through extinctions and speciation events to reconstruct our DNA history. Betul Kacar

Earthquakes and Tsunamis

04/12/16 How ocean earthquakes generate tsunamis --and where tsunamis can occur. John Ebel

Sustainability Science: Biodiversity and Community

10/15/13 A distinguished ecologist talks about his new book on the Himalayas, his research, and the ATREE Institute that he founded. Kamal Bawa

Probing the Health Molecules of Plants: The Weng Lab at Whitehead Institute

02/10/19 A visit to the Weng Lab at Whitehead Institute to learn how researchers exploit the mechanisms and molecules of plants contributing to medical innovations. Jing-Ke Weng

Public Health: A Deeper Perspective

04/18/17 An explanation of how environment, community, class, and other factors must be included in public health. Sandro Galea

Hard Facts about Carbon Capture and Storage

05/18/22 Just how effective is Carbon Capture and Storage (CCS), the much-promoted solution to the excess atmospheric CO2 from fossil fuels? June Sekera and Neva Goodwin

There Is More Than Enough Renewable Energy

03/06/18 Irrefutable evidence for why we should --and can-- transition to renewable energy without delay. Mara Prentiss

Today's Featured Contributors

Featured Author

Henrik Selin, Ph.D.

An international expert on climate change and environmental policy who emphasizes the need for global action on climate change

Featured Guest

Andrew Kurtz, Ph.D.

An expert on the science of the soil and how climate change and other forces affect the "skin of the Earth"