Earth spouts 'biosignatures' into space, hinting that other life-bearing worlds may do the same
Forms of oxygen created by living organisms can be found in space around our planet, a new study has revealed, hinting at a potential new method for tracing life on exoplanets.
![Earth spouts 'biosignatures' into space, hinting that other life-bearing worlds may do the same](http://cdn.mos.cms.futurecdn.net/ZD9xHKQTQAUobgBt5vPsYk.jpg?#)