Astrophysicist Martin Gaskell discussesat virtually the same time as its publication to the wordwhat has been called the "greatest astronomical discovery of all time." The conversation ranges from s

Monterey Bay Salmon and Trout Project Executive Director Ben Harris talks about the importance of salmonids—salmon and trout— in maintaining the ecological health of ocean and land. Harris explains how and why Pacific salmon populations have drasti...

On this episode of Planet Watch, an inspiring and uplifting interview with Lynne Cherry, the originator, producer and director of  Young Voices for the Planet films. Lynne talks about her current film project and also discusses the mental health consid...

Nuclear Winter, first described by Drs. Brian Toon, Rich Turco, Tom Ackerman, James Pollack, and Carl Sagan ("TTAPS")   equates the plume of smoke from a comet impact that covered Earth causing the great extinction of the dinosaurs 66 million years ago...

Life on Mars? Dr. Jr. R. Skok of the SETI Institute discusses Current and Upcoming Exploration and Research on MARS Dr. Skok, explorer and planetary scientist with SETI, earned his B.S. at Cornell University and his Ph.D.

The UN Intergovernmental Panel on Climate Change  (IPCC) 2018 predicts far more dire and rapidly escalating consequences of Climate Change than any IPCC analysis thus far, and calls for a historically unprecedented  transformation of the world economy ...

  Chris McKay, NASA Mars Researcher, and Friederike Otto, University of Oxford climate modeller Science is the focus of this week's Planet Watch.  Senior NASA scientist Chris McKay, in the Planetary Systems Branch of NASA Ames,

How secure is the US voting system? The upcoming midterm elections may be the most important in the history of American Democracy. Yet evidence has shown that there was foreign interference in the 2016 election,

Brain-Harming Chlorpyrifos just the latest agricultural pesticide poisoning our children and our planet Californians for Pesticide Reform  co-director Mark Weller, and author/pesticide activist Mary Flodin talk with with Planet Watch hosts Rachel an...

Organic Farm Pioneer