Sid Perkins

Sid Perkins is a freelance science writer based in Crossville, Tenn.

All Stories by Sid Perkins

  1. aerial image of melting glaciers in the Andes mountains

    Climate change may have changed the direction of the North Pole’s drift

    A mid-1990s shift in the movement of the pole was driven by glacial melt, in part caused by climate change, among other factors, a new study reports.

  2. 5 micrometeorites found in Antarctica
    Planetary Science

    Earth sweeps up 5,200 tons of extraterrestrial dust each year

    Thousands of micrometeorites collected from Antarctica come from both comets and asteroids, a new study suggests.

  3. illustration of an asteroid hitting Antarctica
    Planetary Science

    A meteor may have exploded over Antarctica 430,000 years ago

    Tiny spherules recovered from a mountaintop suggest a space rock broke apart midflight and sprayed debris across thousands of kilometers.

  4. image of Andromeda galaxy

    Andromeda’s and the Milky Way’s black holes will collide. Here’s how it may play out

    Supermassive black holes in the Milky Way and Andromeda will engulf each other less than 17 million years after the galaxies merge, simulations show.

  5. Europa

    ‘Alien Oceans’ argues the search for E.T. should include the outer solar system

    In Alien Oceans, a NASA scientist explores the evidence that ice-covered moons host hidden oceans, where life could evolve and thrive.

  6. Tiktaalik roseae illustration

    A new book captures how genetics fills in the story of life’s evolution

    In Some Assembly Required, paleontologist Neil Shubin explores how genetic analyses complement paleontological research.

  7. Nanotyrannus

    Small ‘cousins’ of T. rex may actually have been growing teenagers

    Fossil analyses suggest that Nanotyrannus wasn’t a diminutive relative of the more famous behemoth Tyrannosaurus rex.

  8. exoplanet

    ‘Imagined Life’ envisions the odd critters of other planets

    The authors of ‘Imagined Life’ rely on science to sketch out what kind of organisms might exist on exoplanets.

  9. pollen
    Science & Society

    ‘The Nature of Life and Death’ spotlights pollen’s role in solving crimes

    In ‘The Nature of Life and Death,’ botanist Patricia Wiltshire recounts some of her most memorable cases.

  10. calcite crystals

    Carbon plays a starring role in the new book ‘Symphony in C’

    In Symphony in C, geophysicist Robert Hazen explores carbon’s ancient origins, its role in life and its importance in the modern world.

  11. King Richard III’s bones

    ‘Skeleton Keys’ unlocks the history and mysteries of bones

    From fish to dinosaurs to King Richard III, ‘Skeleton Keys’ surveys the scientific and cultural history of bones.

  12. beaver swimming

    Beavers are engineering a new Alaskan tundra

    Climate change has enabled the recent expansion of beavers into northwestern Alaska, a trend that could have major ecological consequences for the region in the coming decades.