A huge cannon which shoots balls of fire does not sound the like safest thing to be playing with in your garden. But that is exactly what two keen scientist have made, using off-the-shelf materials.

On March 14, 2014, just a few weeks ago, firefighters began a “controlled burn” at Rocky Mountain Arsenal, a wildlife preserve between the city of Denver and the Denver airport. This is done ...

California wildfires are creating their own weather, including the firenado. With winds strong enough to tear roofs off houses, these whirling menaces can be devastating.

Wildfires spreading across California are creating their own weather, including the firenado. With winds strong enough to tear roofs off houses, these whirling flames can be devastating.