Nikk Ogasa is a staff writer who focuses on the physical sciences for Science News, based in Brooklyn, New York. He has a master's degree in geology from McGill University, where he studied how ancient earthquakes helped form large gold deposits. He earned another master's degree in science communication from the University of California, Santa Cruz. His stories have been published in ScienceScientific American, Mongabay and the Mercury News, and he was the summer 2021 science writing intern at Science News.

All Stories by Nikk Ogasa

  1. a photo of several bottle of plant milks on a table

    Oat and soy milks are planet friendly, but not as nutritious as cow milk

    Plant-based milks are better for the environment, but nutrition-wise they fall behind cow milk.

  2. a blue burst of light from a volcanic eruption can be seen on the surface of Io
    Planetary Science

    Lava and frost may form the mysterious lumps on Jupiter’s moon Io

    Jets of gas released when hot meets cold on the volcanic moon Io could generate sprawling fields of dunes, a study finds.

  3. a zircon crystal

    Ancient zircons may record the dawn of plate tectonics

    A change in gemstone composition starting about 3.8 billion years ago may offer the earliest record of one tectonic plate sliding over another.

  4. photo of a brown leech on a leaf

    Leeches expose wildlife’s whereabouts and may aid conservation efforts

    DNA from the blood meals of more than 30,000 leeches shows how animals use the protected Ailaoshan Nature Reserve in China.

  5. aerial photo of floating solar panels on a lake in Haltern, Germany

    A UN report says stopping climate change is possible but action is needed now

    We already have a broad array of tools to reduce global greenhouse gas emissions in half by 2030, a new report finds. Now we just have to use them.

  6. photo of a green rainforest canopy with the Amazon river in the background

    Forests help reduce global warming in more ways than one

    Trees are often touted as bulwarks against climate change for their capacity to sequester carbon, but that’s just one part of the story.

  7. The surface of Mercury
    Planetary Science

    Diamonds may stud Mercury’s crust

    Billions of years of meteorite impacts may have flash-baked much of a primitive graphite crust into precious gemstones.

  8. photo of a child riding a bike near the shoreline in the Maldives

    A UN report shows climate change’s escalating toll on people and nature

    The latest United Nations' IPCC climate change report underscores the urgent need for action to avoid the worst consequences of global warming.

  9. illustration of two white dwarf stars merging

    A rare collision of dead stars can bring a new one to life

    These carbon- and oxygen-covered stars may have formed from an unusual merging of two white dwarfs.

  10. a grayscale photo of the surface of Venus against a backdrop of stars
    Planetary Science

    These are the first visible-light images of Venus’ surface captured from space

    Cameras aboard NASA’s Parker Solar Probe managed to peer through Venus’ thick clouds to photograph the planet’s surface.

  11. image of a swarming ball of vinegar eels

    Vinegar eels can synchronize swim

    Swarming, swimming nematodes can move together like fish and also synchronize their wiggling — an ability rare in the animal kingdom.

  12. photo of a man in a crowd wearing a mask on the back of his head
    Artificial Intelligence

    How AI can identify people even in anonymized datasets

    A neural network identified a majority of anonymous mobile phone service subscribers using details about their weekly social interactions.