News

  1. Earth

    How AI can help forecast how much Arctic sea ice will shrink

    Trained on sea ice observations and climate simulations, IceNet is 95 percent accurate in forecasting sea ice extent two months in advance.

    By Gloria Dickie
  2. Astronomy

    A supernova’s delayed reappearance could pin down how fast the universe expands

    “SN Requiem” should reappear in the 2030s and help determine the universe’s expansion rate.

    By Ken Croswell
  3. Planetary Science

    NASA’s Perseverance rover snagged its first Martian rock samples

    Two tubes of stone drilled from a basalt rock nicknamed Rochette are the first from Mars slated to eventually return to Earth.

    By Lisa Grossman
  4. Animals

    A newfound boa sports big eyes and a square nose

    Among the smallest boas in the world, the Hispaniolan vineboa inhabits a small patch of dry forest along the Dominican Republic’s border with Haiti.