Aug 01 2011
No ‘Second Sun’ Boosting Asteroid Impacts
The idea that there may be a stellar twin patrolling the outermost regions of the solar system, scattering Oort Cloud objects, may be the result of statistical error.
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Jul 12 2011
Triceratops Was Last Dinosaur Standing
The 65 million-year-old find suggests a meteor may have wiped out the dinosaurs in a sudden catastrophic event.
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Jul 11 2011
Tough Turtle Survived What Dinosaurs Couldn’t
The hearty river turtle outlived the meteor that killed off dinosaurs.
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Jun 29 2011
100 Years Ago, a Chunk of Mars Hit Egypt (and a Dog)
On June 28, 1911, an explosion shook the Nakhla region of Alexandria in Egypt at 9 a.m. According to an eyewitness account, a dog perished in the resulting meteorite fall.
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Jun 24 2011
INCOMING! Asteroid to Narrowly Miss Earth on Monday
Astronomer Mark Thompson reports on the large asteroid that will pass within 8,000 miles from Earth and why we were given such short notice.
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Jun 13 2011
Mars Hit by Cosmic Buckshot, Again
The HiRISE camera on board a NASA satellite orbiting Mars has spotted a recent series of meteorite impacts on the Martian surface, a stark reminder of the dangers that face future Mars colonies.
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May 27 2011
Asteroid Encounters Next on NASA’s Itinerary
Though chosen for its scientific allure, the mission will moonlight as a flight test for future human expeditions.
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May 26 2011
Inner Moon as Wet as Earth
The inside of the moon may have as much water as Earth's mantle, finds an analysis of moon crystals returned by Apollo astronauts.
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May 25 2011
Mars Formed Fast, Stayed Small
Earth and Venus may have protected Mars from planet-building impacts common in the solar system's early days.
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May 25 2011
Mars Formed Fast, Stayed Small
Earth and Venus may have protected Mars from planet-building impacts common in the solar system's early days.
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