All Stories

  1. Particle Physics

    LHC restart provides tantalizing hints of a possible new particle

    The first comprehensive analyses of the recently restarted Large Hadron Collider yields no clear-cut discoveries but at least one intriguing hint of a new particle.

    By Andrew Grant
  2. Planetary Science

    Ancient Mars’ weather report: Continued cold and dry

    The assortment of water-carved features on the Martian surface suggest that ancient Mars was cold and fairly dry, not warm and wet.

    By Thomas Sumner
  3. Life

    Cancer cells get help migrating through the body

    Helper cells may give cancer a straight shot to spread through the body.

    By Tina Hesman Saey
  4. Life

    Muscle repair gets spooky help

    Ghost fibers are tunnels that stem cells can use to rebuild muscles fiber by fiber.

    By Tina Hesman Saey
  5. Science & Society

    Top stories of 2015: Pluto, gene editing, a new hominid and more

    Pluto up close, the power gene editor CRISPR, new early human kin and more make Science News' list of the top 25 science stories of 2015.

    By Science News Staff
  6. Planetary Science

    Year in review: Pluto unveiled as a world like no other

    Long out of reach, Pluto came into focus in 2015 with the New Horizons mission.

    By Christopher Crockett
  7. Genetics

    Year in review: Breakthrough gene editor sparks ethics debate

    The gene editing system CRISPR has opened the door to new scientific advancements — and ethical concerns.

    By Tina Hesman Saey
  8. Humans

    Year in review: Early human kin could shake up family tree

    From a South African cave to an East African rift valley, fossil and archaeological finds reported in 2015 added new twists to the evolution of the human genus.

    By Bruce Bower
  9. Health & Medicine

    Year in review: Not all bodies act their age

    People grow old at different rates, but the underlying drivers of aging may be the same: molecular havoc wreaked inside of cells, scientists suggested in 2015.

    By Meghan Rosen
  10. Climate

    Year in review: Global warming continues apace

    New climate research showed that the much-discussed warming hiatus never happened, carbon dioxide levels are higher than ever and Earth is heading toward a new normal.

    By Thomas Sumner
  11. Science & Society

    Year in review: Scientists tackle the irreproducibility problem

    In 2015, several research groups reported the extent to which experimental results don't hold up to replication.

    By Tina Hesman Saey
  12. Planetary Science

    Year in review: Global ocean spans Enceladus

    NASA's Cassini spacecraft is offering the best evidence yet that Saturn's moon Enceladus could be a great place to search for extraterrestrial life.

    By Alexandra Witze