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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

6 stories

  1. September 2026

    1 story: 1 explainer

  2. Sun

    Explainer · Science · California

    What the Southern California earthquake swarm does — and does not — show

    USGS records show dozens of small earthquakes hit Southern California, but data does not confirm fault origins or heightened regional risk.

  3. July 2026

    5 stories: 5 explainers

  4. Fri

    Explainer · Science · United States

    What researchers found in Vermont’s Lake Memphremagog catfish — and why it matters

  5. Mon

    Explainer · Environment · United States

    Why Lion’s Mane Jellyfish Are Showing Up in Large Numbers on New England Beaches

  6. Wed

    Explainer · Business and Finance · United States

    What a $50 million T. rex sale says about rare dinosaur fossils

    Sotheby's sold the T. rex skeleton Gus for a record $50.1 million, with the auction house describing the fossil as 75% to 80% complete by mass.

  7. Sun

    Explainer · Politics · United States

    Harvard astronomer Avi Loeb says White House UFO panel is facing a simple problem: the government still cannot explain some sightings

  8. Sun

    Explainer · Science · World

    What the metallic spheres on an Australian beach turned out to be — and why officials still warned people to stay away