Science, Oxygen | featured news

A glimpse beyond our solar system reveals the neighborhood just outside the sun's influence is different and stranger than expected, scientists reported Tuesday....

MIT scientists have created a sort of genomic fossil that shows that the collective genome of all life underwent an enormous expansion about 3 billion years ago, which they're calling the Archean Expansion. Many of the new genes appearing in the Archean Expansion are oxygen related, and could be the first biological evidence of the Great Oxidation Event, the period in Earth's history when oxygen became so plentiful that many anerobic life forms may have become extinct.

Animals that live without oxygen have been discovered for the first time, deep under the Mediterranean Sea.

Colony of sulfur-eating bugs lives without light, oxygen, has been cut off from rest of world for 1.5 million years.