Earliest inner solar system planetesimals shaped the inventory of moderately volatile elements in terrestrial planets.

A 2,000-year-old Herculaneum scroll buried by the eruption of Mount Vesuvius is filled with lost words that scholars can now ...

One leading theory on the origins of life on Earth proposes that simple chemical molecules gradually became more complex, ...

Watch this US Marine attempt the new Army Combat Fitness Test. The Army Combat Fitness Test (ACFT) is an update for the old Army fitness test which has been conducted since 1980. I flew on 2 long-haul ...