Satellite images reveal a new island in Alaska's Alsek Lake, formed as retreating glaciers reshape the landscape.

Satellite data reveals sea-level rise has unfolded almost exactly as predicted by 1990s climate models, with one key ...

Cuts in scientific research programs in the Arctic will undermine Arctic security and benefit Russia and China.

This week, anticipation builds as astronomers await what the closest approach of the interstellar comet 3I/ATLAS might reveal ...

The final full moon of summer will reach peak illumination at 2:09 p.m. EDT on Sunday, Sept. 7, according to the Old Farmer's Almanac.

The next full moon will feature a total lunar eclipse, or a blood moon, on Sept. 7, 2025. Here's where and how to see it.