News

  1. Planetary Science

    Mars’ potato-shaped moons could be the remains of a shredded asteroid

    Phobos and Deimos could have formed from asteroid debris, a new study suggests. An upcoming sample return mission will help test the idea.

    By Lisa Grossman
  2. 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
  3. 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.