After a calm week, the sun erupted again. A powerful M5.1 solar flare burst from an emerging sunspot region, shaking the ...

Satellite reentry can release nitrogen oxides and alumina, impacting the ozone layer and stratosphere. Alternatives like Design for Non-Demise and controlled reentry aim to reduce environmental and ...

Sentinel-6B satellite measurements show sea level changes across the North Atlantic, adding to decades of data used to track ...

A robotic ocean float was lost under the Antarctic ice for eight months, but it miraculously reappeared, bearing some ...

The famous Mona Lisa painting has no eyebrows. When Leonardo da Vinci painted the Mona Lisa, he included eyebrows, but over time they were eroded due to cleaning, to the point where they are no longer ...

From lunar flybys and towering robotic landers to rare eclipses and dazzling supermoons, 2026 is shaping up as a banner year ...