Are We Alone in the Universe?

07/25/23 For centuries, we Earthlings have considered ourselves unique in the universe. Scientists today, however, tend to doubt our exceptionalism. But just how common might intelligent life be? Mario Livio

Update from the Large Hadron Collider: The Higgs?

09/11/12 Confirming the Higgs boson is one of the great triumphs in the history of science. Steve Nahn

Microbial Ecosystems: The Foundation of Life on Earth

06/01/23 Although all life depends on microbial ecosystems, there are many unknowns about the mechanisms by which these ecosystems develop and evolve in diverse environments. Otto Cordero

Conservation Lessons from Ice-Age Extinctions

04/26/11 Was there a human factor in the Ice Age extinctions of large mammals? ............ Sharon Levy

How Restorative Development Can Address Climate Change

09/13/16 An international authority on the dual impacts of climate change and environmental destruction discusses the urgent need for a restorative development policy. William Moomaw

Our Shaking Earth: Understanding and Predicting Earthquakes

11-28-23 GBH Forum Network webinar: 12 Noon (EST) Our planet is subject to more than 50 earthquakes a day. How do scientists analyze this activity and can they predict the most threatening quakes? Brendan Meade

The Impact of Air Pollution on Health

12/12/19 Jonathan Levy of Boston University School of Public Health describes how urban air pollutants such as vehicle exhaust affect our health.

Traffic Pollution and Child Cognition

09/27/10 The effects of vehicle pollutants on the developing brain. Shakira Franco Suglia

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

Richard Primack, Ph.D.

Professor Primack's innovative textbooks incorporate information relevant to specific regions where the texts are used

Featured Guest

Julie Huber, Ph.D.

Her research probes the nature and extent of life on Earth in one of its least explored corners, the sub-seafloor habitat beneath the ocean floor.