ScienceAncient Space Dust Contain Hints Of Oxygen In Earth's Early Atmosphere Ancient space dust revealed new twists in the chemical makeup of our planet's early upper atmosphere. The analysis suggested that it contained about the same amount of oxygen then as it does at present, about 20 percent.by Katherine Derla
ScienceLooming Eruption Prompts Warning To Stay Away From New Zealand's Lord Of The Rings Volcanoby Katherine Derla
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Science71-Million-Year-Old Fossils Excavated In Antarctica May Provide Insight On The End Of Age Of Dinosaursby Catherine Cabral-Isabedra