News

  1. Paleontology

    Newfound fossils are spilling Denisovan secrets

    Teeth and bone fragments unearthed in a cave in China, along with animal bones and stone tools, help paint a picture of Denisovan life.

    By Freda Kreier
  2. Paleontology

    A choir of katydid ancestors filled the Jurassic rainforest with song

    An analysis of sound-making structures on preserved wings reveals the mating calls of ancient Jurassic insects, re-creating part of an ancient soundscape.

    By Carolyn Wilke
  3. Artificial Intelligence

    Innocent-looking AI reasoning can make bad behavior harder to catch

    AI safety monitoring can fail when an AI’s reasoning is the main clue that something has gone wrong, new research suggests.

    By Sascha Brodsky
  4. Paleontology

    Was the ‘American cheetah’ a cheetah at all?

    Ancient DNA confirms Miracinonyx trumani was more closely related to modern pumas than cheetahs and had a more varied diet than previously thought.