News

  1. Space

    Artemis II sends humans around the moon for first time since Apollo

    NASA’s Artemis II astronauts are on their way to the moon, testing the Orion spacecraft for future lunar landings and a planned moon base.

    By Nikk Ogasa
  2. Health & Medicine

    Digital heart twins can guide a lifesaving procedure

    Heart replicas helped doctors spot good targets for ablation in 10 patients. Months later, all of them are free of sustained faulty rhythms.

    By Elie Dolgin
  3. Paleontology

    A fossil reveals early relatives of spiders — armed with claws

    A Utah fossil shows early relatives of spiders and scorpions already had distinctive front claws 500 million years ago.