By Stephen A. Marshall
By Gilbert Waldbauer,
Illustrations by James Nardi
By Sean Carroll
By Jim Bell
By edited by Diana Donald and Jane Munro
By Douglas Palmer, illustrated by Peter Barrett
By Theodore Cross
By Dominic Couzens
By clearing out vegetation, wildfires increase the vulnerability of soils to erosion and flooding.
Global fires may have doomed dinosaurs and much other life after giant meteorite struck Earth 66 million years ago
There's more to a mountain than the summit.
Two years after its big quake, Christchurch is still trembling.