Arctic Sea Ice Shrinks to Its 2026 Minimum

APOD: 2026 October 7 – Supernova Remnant Pa 30

APOD Science APOD APOD: 2026 October 7 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Dis…

The world's oyster reefs could add $12 trillion to planetary health each year—if they were better ma…

A new study shows that the world's oyster reefs are a precious resource that's vastly underestimated and underutilized. …

A new way to fight gum disease without wiping out good bacteria

Scientists discovered that disrupting the chemical messages bacteria use to communicate can push dental plaque toward a …