Uncategorized

  1. Astronomy

    A super-short gamma-ray burst defies astronomers’ expectations

    A faraway eruption of gamma rays that lasted for only a second had a surprising origin: the implosion of a massive star.

    By Maria Temming
  2. Health & Medicine

    New delta variant studies show the pandemic is far from over

    The coronavirus’s delta variant is different from earlier strains of the virus in worrying ways, health officials are discovering.

    By Tina Hesman Saey, Erin Garcia de Jesús and Jonathan Lambert
  3. Anthropology

    A skeleton from Peru vies for the title of oldest known shark attack victim

    The 6,000-year-old remains of a teen with a missing leg and tell-tale bite marks came to light after news of a 3,000-year-old victim in Japan surfaced.