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planetary-defense
Science
European Hera spacecraft begins close inspections of asteroid rammed by NASA
31 October 2026
Latest
Chandra Observatory Gallery Highlights Galactic Diversity
James Webb Telescope Finds Dust and Water Near Milky Way's Black Hole
Artemis III Crew Members View Booster Assembly at Kennedy Space Center
Artemis II Commander Reid Wiseman Appears at Ravens Game
Hubble captures a starry gap in the Large Magellanic Cloud
Hubble Telescope Monitors Galaxy Cluster for Supernova Reappearance
Astronaut Christina Koch Leads Eagles Fans in Fight Song at NFL Game
NASA Probe Passes Venus-Level Heat Test
