Katherine Kornei

All Stories by Katherine Kornei

  1. Illustration of Kuiper Belt in the solar system
    Astronomy

    The discovery of the Kuiper Belt revamped our view of the solar system

    Thirty years ago, astronomers found the Kuiper Belt, a region of space home to Pluto and other icy worlds that helped show how the solar system evolved.

  2. Glassy debris creates the bluish tinge and radiating black stripes around an impact crater on Mars
    Planetary Science

    Asteroid impacts might have created some of Mars’ sand

    Roughly a quarter of the Red Planet’s sand is spherical bits of glass forged in violent impacts, new observations reveal.

  3. illustration of an isolated stellar-mass black hole
    Astronomy

    A celestial loner might be the first known rogue black hole

    The object could be the first isolated stellar-mass black hole identified in the Milky Way — or it might be an unusually heavy neutron star.

  4. An artist’s rendition of the lander on the surface of Mars.
    Planetary Science

    NASA’s InSight lander has recorded the largest Marsquake yet

    The magnitude 5 temblor, detected May 4, will help scientists learn more about the Red Planet’s interior.

  5. Manila, Philippines
    Climate

    Coastal cities around the globe are sinking

    Of 99 coastal cities, nearly one-third are sinking in some places at more than a centimeter per year, making them more vulnerable to rising seas.

  6. underwater photo of an octopus garden on the sea floor
    Oceans

    Some deep-sea octopuses aren’t the long-haul moms scientists thought they were

    Off California’s coast, some octopuses lay eggs in the warmer water of geothermal springs in the “Octopus Garden,” speeding up their development.