It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
Some astrobiologists assume that the presence of oxygen, carbon, and ozone in an atmosphere indicates that life exists on a planet's surface. The new results negate that assumption - the mere presence of oxygen in an atmosphere is now not enough evidence to start looking for life.
Originally posted by minto
The BBC should not be classed as a worth while source for news imo. They speak far too much rubbish and are bound by pay checks, I wouldn't believe anything they have to say mate