NASA has presented rock and dust samples from the asteroid Bennu which exhibit some of the chemical building blocks of life.

With more than 1,250 staff available to run them, free services like transportation, meals and hygiene care will be offered, as well as other services like repatriation letters and identification ...

With more than 1,250 staff available to run them, free services like transportation, meals and hygiene care will be offered, as well as other services like repatriation letters and identification ...