News

  1. Health & Medicine

    Replacing microRNA for cancer treatment

    Replacing missing microRNAs in cancer cells may open up a new field for cancer treatment.

    By Jenny Lauren Lee
  2. Health & Medicine

    Stressed-out DNA turns mousy brown hair gray

    Scientists show how change happens when cells responsible for colorful hair lose their self-renewing abilities.

    By Laura Sanders
  3. Space

    Alien visitor from afar

    A speedy stellar neighbor may be a refugee from another galaxy.

    By Ron Cowen
  4. Space

    Betelgeuse shrinks

    A familiar star, visible to the naked eye, has shrunk dramatically in just 15 years.

    By Ron Cowen
  5. Health & Medicine

    Tuberculosis bacterium subverts basic cell functions

    The tuberculosis microbe makes compounds that alter basic systems inside key immune cells, facilitating the bacterium’s survival in the body, new research shows.