News

  1. Earth

    Earth’s oldest rocks may be at least 4.16 billion years old

    If the new age of these Canadian rocks is solid, they would be the first and only ones known to have survived Earth’s earliest, tumultuous time.

    By Carolyn Gramling
  2. Animals

    This bug’s all-in helicopter parenting reshaped its eggs

    An egg-shape trend found among birds shows up in miniature with very protective bug parents. Elongated eggs fit more compactly under mom.

    By Susan Milius
  3. Psychology

    AI can measure our cultural history. But is it accurate?

    Art and literature hint at past people’s psyches. Now computers can identify patterns in those cognitive fossils, but human expertise remains crucial.