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Science has now accepted the fact that the dinosaurs were killed 65 million years ago due to an impact from outer space. Could that type of extinction be in our future? Understanding what caused this impact could help to answer that question.

A new computer simulation shows that the ultimate cause was the fact that Mercury?s orbit wobbled during that period. This could have pushed an asteroid towards our planet, wiping out most of the living things on it.

?Our best calculations show that the dynamical state of the Solar System changed abruptly about 65 million years ago,? says Bruce Runnegar of the UCLA Center for Astrobiology.
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Strongest-Ever Scientific Evidence.

A British scientist studying heart attack patients says he has found evidence that consciousness may continue after the brain has stopped functioning and a patient is clinically dead. This means that science is now confronting the age-old religious questions about the existence of a soul that survives physical death.
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NASA?s Hubble Space Telescope has spotted planet-sized objects wandering through space. What?s unique about them is that they?re loners, with no central star of their own.

The lone planets were discovered when Kailash Sahu, of the Space Telescope Science Institute, and his colleagues monitored 83,000 stars in part of our Galaxy. The planets are too dim and small to be seen directly by Hubble, but could be detected by the way their gravitational fields bent and amplified the light from distant background stars.
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Scientists have been warning us about the destruction of the Amazon rainforest, but now U.S. scientists James Alcock, of Pennsylvania State University, says that the forest could reach a ?point of no return? in as little as 10 or 15 years, if deforestation continues at the rate of about one percent a year, and disappear within half a century. This is much sooner than has been predicted in other studies, which estimate that total rainforest loss won?t occur until the end of this century, 75 to 100 years from now.
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