Observing

Observing

The Sky Today on Saturday, May 17: Mars crosses Cancer

Observing

The Sky Today on Friday, May 16: The Coma Cluster

Sky This Week, The Sky This Week

The Sky This Week from May 16 to 23: Venus meets the morning Moon

Astrophotography, Observing

Imaging Earth and the sky above it

Deep-Sky Objects

Explore explosive supernovae from your backyard

Observing

The Sky Today on Thursday, May 15: Juno and M5

Observing, Observing Basics

Michael’s Miscellany: Coordinates

Observing, The Sky This Week

The Sky Today on Wednesday, May 14: The Moon and Antares

Observing

The Sky Today on Tuesday, May 13: Catch you last glimpses of Mercury

Observing

Is dew point or relative humidity more important for good astronomical seeing?

Deep-Sky Objects, This Week in Astronomy

This Week in Astronomy with Dave Eicher: The Owl Nebula

Exoplanets, Observing

These five famous stars in the sky host exoplanets — observe them tonight