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Rapid climate changes more deadly than asteroid impacts in Earth’s past, study shows.

The link between rapid climate changes and mass extinctions has been strengthened in a recent paper by Jourdan et al in “Geology.” The authors demonstrate that the extraordinarily huge volcanic eruptions of the……

Physicist: ‘Blind luck’ is all that prevents ‘city-killer’ asteroids from striking Earth

According to physicist and former NASA astronaut Ed Lu, the Earth has been hit by “26 multi-kiloton explosions since 2001, all of which are due to asteroid impacts.” This evidence — gathered by the asteroid-hunting B612 Foundation — demonstrates that “asteroid impacts are not rare, but actually 3-10 times more…

Scientists: nuclear bomb could stop asteroid from striking Earth

Scientists at New Mexico’s Los Alamos National Laboratory believe that a well-aimed nuclear weapon could actually save the world if a major asteroid were hurtling toward us, according to a report at MSNBC’s Space blog. Researches have used super-computers to model scenarios involving a 1,650-foot-long (500-meter) space rock and a…

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