News

  1. Artificial Intelligence

    Here’s why turning to AI to train future AIs may be a bad idea

    If future AI models are trained on AI-generated content, they could end up producing more bias and nonsense, researchers caution.

    By Payal Dhar
  2. Cosmology

    Einstein’s gravity endures despite a dark energy puzzle

    The DESI project previously reported that dark energy — long thought to be constant — changes over time. A new analysis reaffirms that claim.

    By Emily Conover
  3. Health & Medicine

    Vaccines, fluoride, raw milk: How RFK Jr.’s views may shape public health

    If confirmed as head of the Department of Health and Human Services, Kennedy could influence U.S. policy on vaccines, drugs and food safety.