News

  1. Space

    A rush to watch a supernova exposed its last gasp before exploding

    By studying the final years of stars, scientists hope to find clues to help them recognize when other stars are about to blow.

    By Emily Conover
  2. Materials Science

    Lithium-ion batteries made with recycled materials can outlast newer counterparts

    Batteries with recycled cathodes outperformed batteries with new cathodes, lasting for thousands more charging cycles before their capacity waned.

    By Carolyn Wilke
  3. Life

    Gene-edited stem cells help geckos regrow more perfect tails

    Regenerated gecko tails are a far cry from perfect. Now experiments have coaxed geckos to regrow better ones with nerve tissue and bonelike cartilage.

    By Freda Kreier
  4. Health & Medicine

    What parents need to know about Pfizer’s COVID-19 vaccine for kids ages 5 to 11

    Federal health officials authorized the Pfizer vaccine for this age group on October 29.