Alex Witze is Senior News and Features Editor with Nature, in its Washington, D.C., bureau. From 1996 to 2005 she had covered the physical science for The Dallas Morning News. She is responsible for news features in the earth sciences, including climate.

Witze has worked as an Associate editor at Earth magazine in Waukesha, Wis., and she has contributed numerous freelance pieces to publications such as New Scientists, Sky & Telescope, Technology Review, and the Earth & Sky radio series. She contributed chapters on Texas and New Mexico dinosaurs for the book Dinosaur Digs, published in 1999 by Discovery Travel Adventures, and she has interned at Oak Ridge National Laboratory in Tennessee.

Witze has won the National Association of Science Writers' Science-in-Society Award and the Walter Sullivan Award for Excellence in Science Journalism – Features, from the American Geophysical Union. She has participated as a journalism fellow in a week-long program at the Marine Biological Laboratory in Woods Hole, Massachusetts, and she won a traveling fellowship from the Council for the Advancement of Science Writing. Her reporting has taken her from Maya ruins in the jungles of Guatemala to ocean-drilling vessels off the Oregon coast, from the rotting corpses of the University of Tennessee's "Body Farm" to the North Pole.

Witze earned her B.S. degree in geology from the Massachusetts Institute of Technology, and she later received a graduate certificate in science communication from the University of California, Santa Cruz.