The craters bear the names of astronomers who revolutionized our understanding of the night sky.

Earthshine is sunlight that bounces off Earth, travels to the Moon, and then reflects back to our eyes. The Moon essentially ...

With major eclipses, brilliant supermoons, and lineups of five or more planets, 2026 offers something awe-inspiring in every season. Here’s what to watch for. Solar prominences and their associated ...