Images taken of Mars from orbit dating back as far as the 1970s have captured curious dark streaks running down the sides of ...

A new study by planetary scientists at Brown University and the University of Bern in Switzerland casts doubt on one of the ...

The most damaging long-term impact to ecosystems after wildfire is soil erosion. Restoring landscapes after wildfire depends ...

In a landslide, masses of rock, earth or debris move down a slope. Debris and mud flows are rivers of rock, earth and other debris saturated with water. They develop when water rapidly accumulates ...

“The heat from a fire can bake the ground, creating a surface that will not absorb water and can increase the speed with which water flows off the slope ... are known as debris flows ...

"A debris flow doesn't need a long rain or a saturated slope. It can start on a dry slope after only a few minutes of intense rain." ...

Takebayashi believes that the mudslides started with those debris flows around 9 a.m. on Sept ... On a different slope of the same mountain, a mudslide occurred around 9:40 a.m. on Sept.