Katherine Kornei

All Stories by Katherine Kornei

  1. 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. 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. 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. 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. 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. 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.