News

  1. Animals

    Pregnancy may hamper bats’ ability to ‘see’ in the dark

    Tiny Kuhl’s pipistrelle bats make fewer calls when pregnant, which may make it more difficult to hunt prey, lab tests hint.

    By Freda Kreier
  2. Space

    Salty water may have flowed near Mars’ equator as recently as 400,000 years ago

    Crusts and cracks on Martian sand dunes are a sign salty water flowed near the equator thousands, not billions, of years ago — and may still exist.

    By Allison Gasparini
  3. Health & Medicine

    WHO declares an end to the global COVID-19 public health emergency

    Global COVID-19 deaths are down and immunity is up. But with the virus here to stay, it’s time to shift to more long-term health measures.