Comets and Extinctions

Study: Diamonds link comet to mammal extinction Tiny diamonds found in the soil are "strong evidence" a comet exploded on or above North America nearly 13,000 years ago, leading to the extinction of dozens of mammal species, according to a study. The scientific report also suggests the cataclysm also reduced the population of the earliest people to inhabit the region and triggered a 1,300-year-long cold spell that stretched around the world. The heat generated by the extraterrestrial impact likely melted much of a glacier that once covered the Great Lakes region, sending a massive flood down the Mississippi River, the study said. Read more ... Read Full Story

  Despite the vast emptiness of space—this little old planet manages to get itself in the way of some flying rocks now and again—rocks that can change the everything if they make it all the way to the surface. Just ask the Dinosaurs. For years scientists have been on the lookout for Near Earth Objects or NEO’s that [...] Read Full Story

Wikizines are interactive magazines that anyone can create or edit - and this one is called "Comets and Extinctions". Here you can find fresh voices and respond in real time. Some members write articles about recent news and trends related to the wikizine's topic, others recount relevant personal stories or share their favorite pictures and video clips. Got an interesting idea or story to share with other members of this wikizine? Well, then put on your journalist's cap and add your own article! Read Full Story

A little asteroid in space ALMOST rocked our world. It was small—but had it hit, the space rock classified as “2009 DD45″ could have created the same kind of destruction as a small nuclear device. The asteroid took sky-watchers by surprise—spotted on its track just two days before it whizzed by on March 2nd as you can [...] Read Full Story

They’re still trying to figure out exactly what caused the daytime fireball a couple of days ago in Texas. Video of a road race shot by a Texas TV News photographer inadvertently caught the objects plummet to earth. At first they thought it was pieces of debris from a collision of two satellites this past weekend. But as [...] Read Full Story