Tim Appenzeller leads Science’s award-winning news section and supervises its global team of staff and freelance writers and editors. He has spent 30 years as an editor and writer specializing in science and the environment for magazines including Scientific American, U.S. News & World Report, and National Geographic.

His National Geographic article “The Case of the Missing Carbon” won the Walter Sullivan award for excellence in science journalism in 2005, and his June 2007 National Geographic cover story on global warming, “The Big Thaw,” shared an award for best explanatory reporting from the Society of Environmental Journalists. Appenzeller was Science’s Features Editor during the 1990s, and most recently was Chief Magazine Editor at Nature, responsible for its journalism and opinion.  

More from Author

  • 16 Feb 2014

    Time-lapse video shows dramatic drop in Arctic sea ice

  • 17 Sep 1999

    Picture this: Adult Velociraptors, savage man-sized hunters with slashing claws, may have been covered in downy feathers, like newly hatched chicks. The same goes for the young of Tyrannosaurus rex, and even the full-grown monster might have had a tuft or two.

  • 20 Aug 1999

    The magnitude 7.4 earthquake that struck northwestern Turkey in the early hours of 17 August, killing over 10,000 people, caught almost everybody by surprise--except seismologists. Although they made no predictions of when the earthquake would strike, they had long expected it.