Uncategorized

  1. Space

    Familiar comets may have distant roots

    More than 90 percent of objects found in the vast outer–solar system reservoir may have been born around other stars, new computer simulations suggest.

    By Ron Cowen
  2. Earth

    Ancient marine reptiles losing their cool

    Warm-bloodedness may help explain the creatures’ evolutionary success, a new study suggests.

    By Sid Perkins
  3. Space

    Portrait of a youthful planet

    New pictures confirm that astronomers have recorded a planet circling the star Beta Pictoris, making the orb the youngest, star-orbiting extrasolar planet to be photographed.

    By Ron Cowen
  4. Ecosystems

    Parasite brood gets help from nearby microbes

    A critical interaction between whipworm and E.