Philip Kiefer

Science journalist Philip Kiefer has written for Popular Science, Outside, National Geographic, and Grist.

Articles by Philip Kiefer

A flock of Sandhill Cranes fly in a line against a blue sky, the moon in the background.
‘Flight Paths’ Unfurls the Wondrous History of Migration Science
March 10, 2023 — A new book details how amateur birders and bird-loving scientists pieced together the true story of avian migration.