Harvest moon 2023, the last supermoon of the year, kicks off fall stargazing on Sept. 29

Antarctic sea ice hits 'record-smashing' low this year, satellite data shows

Watch a NASA astronaut and 2 cosmonauts return to Earth after 1 year in space on Sept. 27

Accidental 1-year astronaut crew hands over command of ISS ahead of Sept. 27 landing