Search Results for: Whales

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1,418 results

1,418 results for: Whales

  1. Life

    Mother right whales know best, maybe

    Southern right whales learn where to eat from mom and may not seek new feeding grounds if these favorite restaurants go belly-up.

    By Rachel Ehrenberg
  2. Ecosystems

    Marine census: Surprising number of creatures bipolar

    Census of Marine Life offers a preview of massive international census gives fuller count, shows some sea species at both poles.

    By Susan Milius
  3. Earth

    Exxon Valdez 20 Years Later

    March 24 marked the 20th anniversary of the Exxon Valdez oil spill. The effects are still obvious today. A series of blogs from senior editor Janet Raloff describes the continuing aftermath.

    By Janet Raloff
  4. Animals

    Sonar causes rock-concert effect in dolphins

    Test of recorded sonar causes temporary hearing impairment in dolphins.

    By Susan Milius
  5. Ecosystems

    Sperm whales may team up to herd prey

    Data recorders yield first hints of coordinated feeding behavior.

    By Sid Perkins
  6. Life

    Evolutionary genetic relationships coming into focus

    Researchers have filled in about 40 percent of the tree of life for mammals and birds, but other vertebrates lag behind.

    By Rachel Ehrenberg
  7. Life

    First songbird genome arrives with spring

    The genome of a songbird has been decoded for the first time. Zebra finches join chickens as the only birds to have detailed maps of their genetic blueprints.

    By Tina Hesman Saey
  8. Life

    One ocean, four (or more) killer whale species

    A new genetic analysis splits killer whales into multiple taxa.

    By Tina Hesman Saey
  9. Earth

    Moby Dick meets Jaws

    A recently discovered fossil demonstrates that giant whales weren’t always as gentle as they are today.

    By Sid Perkins
  10. Life

    Marine census still counting new life-forms

    The Gulf of Mexico ranked among the top five marine regions for number of known species.

    By Susan Milius
  11. Life

    Ancestors of today’s placental mammals may never have shared the Earth with dinosaurs

    A newly constructed family tree dovetails with the fossil record, but differs considerably from previous genetic studies by suggesting that placental mammals emerged after the dinosaur extinction.

    By Erin Wayman
  12. Life

    Giant squid population is one big happy species

    Elusive deep ocean dwellers have low genetic diversity despite living around the globe.

    By Tina Hesman Saey