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At 238 square miles (617km²) in area, or roughly a third of the size of greater London, space has always been at a premium...

APOD Science APOD APOD: 2026 August 6 – New… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe...

Earth Observatory Science Earth Observatory How the Tide Turns at the… Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life on Earth Human Dimensions Natural Events Oceans Remote Sensing Technology Snow & Ice Water More...

Malawi has lost a striking share of its forests over the past three decades. Woodlands that once covered well over a...

Skyfly Technologies is making the electric propulsion system it built for its own aircraft available to other aircraft manufacturers through the secondary market, and...