![We May Have Had a Breathable Atmosphere For Much Longer Than We Thought](https://images.squarespace-cdn.com/content/v1/4ff36a2b84aecc34311d0e6c/1469537246327-QD2VJLL7MKUOMWWMLCYA/072216_TS_oxygen_feat.jpg)
We May Have Had a Breathable Atmosphere For Much Longer Than We Thought
Don’t hold your breath, but geologists at the University of Aberdeen may have made a ground-breaking discovery; evidence of a breathable, hospitable atmosphere hundreds of millions of years sooner than originally thought. This could have staggering implications for life not just on Earth, but beyond.