BBC Sky at Night Magazine on MSN

What would proof of alien life look like? Here's what scientists are really looking for

The scientific community tends to employ ‘confidence of life’ detection scales: a multi-step ‘ladder’ that begins with ...
Daily Mail on MSN

'Alien' material found inside crater on Earth raises new questions about life itself

Scientists have discovered an 'alien' material inside a massive crater on Earth, sparking new questions about how life may ...