Tonight

Visible planets and night sky guide for October

Visible planets and night sky guide. Watch a video about astrophotography. And this evening, look for the waxing crescent moon and the red star Antares.

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Visible planets and night sky guide for October

Visible planets and night sky guide for October

Meteor shower guide 2026: Up next … the Orionids

Cassiopeia the Queen is overhead on autumn evenings

Comet Halley is the parent of 2 meteor showers

See brightest star, Sirius, in your morning sky

Auriga the Charioteer and bright Capella on October evenings

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Astronomy Essentials

Visible planets and night sky guide for October

Proxima Centauri is the closest star to our sun

Meet Aquarius the Water Bearer and its stars

Meteor shower guide 2026: Up next … the Orionids

Brightest Stars

Alpha Cephei, or Alderamin, is a fast-spinning star

Delta Cephei helps measure cosmic distances

Fomalhaut is the Loneliest Star once again

Double star 61 Cygni: Why is it known as the Flying Star?

Constellations

Meet Aquarius the Water Bearer and its stars

Equuleus the Little Horse on autumn nights

Octans and Apus circle the south celestial pole

Cassiopeia the Queen ascends in September and October

Clusters Nebulae Galaxies

Check out the Double Cluster in Perseus on October evenings

The Andromeda Galaxy: All you need to know

The Wild Duck cluster, M11, a lovely open cluster in Scutum

The Great Rift is a dark swath in the Milky Way

Favorite Star Patterns

Great Square of Pegasus gallops into the autumn sky

Teapot of Sagittarius points to the Milky Way’s center

The Northern Cross: Find the backbone of the Milky Way

Coathanger cluster: This star pattern looks like its name