Morning Overview on MSN

8 odd Mars caves found, and they look made for hiding life

Mars has never looked more like a planet built for hiding secrets. A cluster of eight vast, water-carved caves appears almost engineered to shield fragile chemistry, or even biology, from the brutal ...
Interesting Engineering on MSN

NASA finds super-tough bacteria that beat sterilization, could survive Mars trip

Scientists have discovered 26 new bacterial species that survived the extreme sterilization protocols of NASA cleanrooms ...