Powerful typhoon headed for Philippines
Country’s disaster management officials have alerted authorities to keep relief material ready
NASA’s OSIRIS-REx will land on an asteroid to bring home rocks and dust – if it can avoid Mt. Doom
However, nothing ventured, nothing gained
Banned chemical still depleting the ozone, says NASA
Carbon tetrachloride, banned under Montreal Protocol, still lingering in atmosphere
Ozone hole smaller than 1990s level; scientists study reasons behind trend
NASA records reduction in ozone depletion as compared to 1998-2006 levels