News

  1. Climate

    Grapefruit-sized hail may become more common in a warmer world

    A global model suggests that climate change could make hailstones larger and more damaging in many regions, especially at mid-to-high latitudes.

    By Yujia Huang
  2. Artificial Intelligence

    AI bots ignore evidence. Can we trust them with science?

    Scientists rethink their ideas after experiments. AI agents struggle to learn from evidence and recognize when an idea is obviously incorrect.

    By Kathryn Hulick
  3. Space

    Solar flares may show predictable warning signs hours before erupting

    Scientists spotted patterns hours before a major solar flare, a discovery that could help forecast dangerous eruptions.

    By Lisa Grossman
  4. Health & Medicine

    Why is hantavirus so deadly? It’s not what you may think

    Andes hantavirus causes deadly lung failure, but its method of attack differs from other respiratory illnesses.