When the Curves Line Up publishes skywatching guides that focus on the moon, planets, and the brightest stars. Each article provides clear timing, angular separations, and directional reference points ...

At Chicago’s latitude, darkness soon exceeds daylight. Compare the duration of this period in Chicago, Anchorage, and Miami.

Find the bright Hunter’s Moon near the Pleiades before sunrise, watch Mars approach Jupiter and Regulus, and observe Saturn ...

Find the Full Hunter’s Moon near Saturn, Jupiter and Mars before sunrise, and observing details for Mercury, Venus, Uranus, ...

Find Jupiter, Mars, and Regulus lined up before sunrise. After sunset, the nearly full Hunter’s Moon appears near Saturn.

Find Arcturus and the Big Dipper in the western sky after sunset. Discover the star’s seasonal transition and its role in ...

Find bright Jupiter and Mars before sunrise, the gibbous Moon after sunset, and Saturn through a telescope. Learn how ...

Find Jupiter and Mars before sunrise, Saturn after sunset, and Uranus near the Pleiades. See the moon phase and observing ...

Investigations by NASA’s SPHEREx Telescope studies brown dwarfs, bodies heated from within, but do not revolve around a host star.

Mars continues to close the gap to Jupiter before sunrise while the waxing crescent moon appears near Antares after sunset.

The waxing crescent moon returns to the evening sky and appears near Antares. Look for earthshine and photograph the pair after sunset.