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Martin Cassidy

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Martin Cassidy is a national science reporter for Times Media Service, based in Phoenix, Arizona. Cassidy covers science, including geology and earth science, and the research shaping understanding of the natural world. Cassidy holds a master's degree in investigative journalism and grew up in Phoenix, Arizona.

Stories by Martin Cassidy

4 stories

  1. September 2026

    1 story: 1 explainer

  2. Sun

    Explainer · Science · California

    What the Southern California earthquake swarm near the Newport-Inglewood Fault Zone does — and does not — show

    USGS catalog records confirm a small Southern California earthquake swarm near Lennox, but data does not prove elevated regional hazard.

  3. July 2026

    2 stories: 2 explainers

  4. Fri

    Explainer · Science · United States

    Scientists find a contagious freshwater cancer in Vermont lake catfish, but many questions remain

  5. Mon

    Explainer · Science · United States

    Why giant lion’s mane jellyfish are washing up on New England beaches

  6. June 2026

    1 story: 1 news story

  7. Tue

    News: Science · United States

    Study says stress on Southern California fault systems has reached 1,000-year high