A bright Moon dominates the sky, passing two bright stars as Juno reaches opposition and Mercury dips toward the horizon in ...

Often bucking tradition, these women sought knowledge of the universe and reimagined the way we view the cosmos.

This strange nebula, which sports a very long name, was discovered in 1977 and has changed dramatically over time.

Today I want to talk about something beginning observers tend to overlook. It a process of the human eye called dark ...

The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...

Vesta’s classification has vexed astronomers for decades, but a recent study is forcing planetary scientists to reevaluate its internal structure.

The space-based observatory, launched at the end of March, released its first set of images, in which a cloud of dust ...