Chelyabinsk meteor: Ten years on from 'wake-up call', how safe are we from a potentially catastrophic strike?

Chelyabinsk meteor explosion over Russia 10 years ago was a planetary defense wakeup call

Record low sea ice cover currently in the Antarctic than at any time in the forty years since the beginning of satellite observation

New Blood Test Detects Alzheimer’s Disease 3.5 Years Before Clinical Diagnosis