News

  1. Planetary Science

    Pluto’s cloud components verified

    Newly analyzed observations suggest that particles are tiny spherules of frozen nitrogen and carbon monoxide.

    By Sid Perkins
  2. Physics

    Chink found in armor of perfect cloak

    A theoretical perfect cloaking device could be foiled using charged particles, a new study suggests.

    By Laura Sanders
  3. Space

    Black hole may construct its own galactic home

    Observations of a ‘homeless’ quasar suggest new ideas for galaxy formation.

    By Lisa Grossman
  4. Life

    Bird feeding, migration could be splitting a species

    German birds that spend the off-season at U.K. birdfeeders now look slightly different from neighbors that migrate to Spain

    By Susan Milius
  5. Health & Medicine

    Targeting microRNA knocks out hepatitis C

    Blocking a small molecule, a new drug reduces levels of the virus, chimp study shows.