We fly between the sun and Saturn. At opposition today

Don't miss Saturn at opposition on and around the night of October 4, 2026. That's when our planet Earth passes between the sun and Saturn.

Visible planets and night sky guide for October

Visible planets and night sky guide. Saturn is opposite the sun today. And see a video about the Southern Hemisphere view of Mercury and Venus.

Stargazing tips! 10 great tips for beginning astronomers

If you're new to observing the night sky, check out our top 10 stargazing tips for beginners. We'll help you explore and expand your love for astronomy.

Neptune at opposition on September 26, 2026

Neptune at opposition -- when it's opposite the sun on the sky's dome -- comes on September 26, 2026. You'll need optical aid to spot it.

Seeing Saturn’s rings: Top tips for beginners

If you want to see Saturn's rings, late September and early October 2026 is a great time to look. Grab a telescope and read the tips found here!

Mars sometimes is bright and sometimes is faint

Mars emerged in the April 2026 morning sky and is visible in the morning through year's end. Its next opposition - when it's brightest - is February 2027.

Full moon names by the month and by the season

Lists of common full moon names — both by month and by season — for North America. And a word about full moon names in the Southern Hemisphere.

2027 September equinox: All you need to know

The September equinox is almost here! Autumn for the Northern Hemisphere. Spring for the Southern Hemisphere. Here's all you need to know.

Are day and night equal on the equinox? Not exactly

Are day and night equal at an equinox? No. There's slightly more day than night on the day of an equinox. Find out why here.

International Observe the Moon Night 2026 is tonight

International Observe the Moon Night is September 19, 2026. It's a global event for celebrating the moon. Here's how you can participate online or in person.