Satellite image of gully landscapes on Mars, taken by HiRISE (High Resolution Imaging Experiment), a camera on board the Mars Reconnaissance Orbiter (photo no.: ESP_039114_1115). The white CO 2 ice is ...

The Los Angeles wildfires were still burning when scientists started scouting the freshly charred burn scars to search for signs of another danger that’s yet to come — roaring torrents of rock and mud ...

In October and November 2007, an unprecedented series of wildfires struck the entire southern half of California, and once again thousands of homes were either in flames or threatened by them, with ...

Specialized heavy equipment was used to clean out the debris net in upper San Ysidro Canyon. The group that installed debris nets in the canyons above Montecito in the wake of the deadly 2018 debris ...