Pondering the moons around Jupiter, Dana Wilde mulls the movement of endless light in our skies.

Beauty is a real thing, and star color, location and brightness can stir up transcendent feelings, Dana Wilde writes.

Mulling the history of how we measure cold and warm, Dana Wilde is sanding the increasingly icy landscape of our existence.

As some scientists try to figure out how to send tiny creatures or bacteria on spacecraft to other stars, Dana Wilde ponders the implications of our desire to explore the far reaches of space.

Looking over his daily notes, Dana Wilde catalogs how different Maine Decembers are now compared with decades ago.

Pondering the meaning of “invasive” species, Dana Wilde reflects on the surprising ways in which nonnative plants and animals are popping up in our environment.

Those transparently beautiful autumn days with comfortable weather are a sort of grace period increasingly receding, Dana Wilde writes.