36-Hour Precipitation Outlook
July weather pattern continues into August
New rover 'critical step' in journey to Mars
Desperation: Californians now stealing water
The most-exciting way to cool off
If you're brave enough - and hot enough - try one of these summer thrills.
Eureka: Cool-burning flames on ISS
A discovery on board the ISS could revolutionize clean transportation on Earth.
Man-made 'Silk Leaf' turns light into oxygen
Man-made leaf only needs light and a little water to produce oxygen for astronau...