ASTRONOMY & OBSERVING NEWS

Illustration of an exoplanet planet and its red cool dwarf star on a black background that is speckled with some small stars. The planet is large, in the foreground on the right and the star is smaller, in the background at the lower left. The planet is various shades of blue, with wisps of white scattered throughout. The left edge of the planet (the side facing the star) is lit, while the rest is in shadow. The star has a bright red glow

Exoplanets

Hubble, Webb Data Hint at Ocean Worlds

By: Elise Cutts September 22, 2023

Moon passing under Saturn in evening, Sept. 26-28, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, September 22 – October 1

By: Alan MacRobert September 22, 2023

Celestial News & Events

Is the Day 12 Hours Long on the Equinox? It's Complicated

By: Bob King September 20, 2023

Bennu sample return capsule on the ground in the desert, red-white parachute behind

Spacecraft and Space Missions

Osiris-REX Capsule Returns Samples of Asteroid Bennu to Earth

By: David Dickinson September 24, 2023

Samples taken from the asteroid Bennu are now safely on Earth.

Eclipses

To Catch Beads of Sunlight, Here's Where You Should Head for October 14th's Annular Eclipse

By: Jamie Carter September 18, 2023

People, Places, and Events

See the Winning Images of Royal Observatory Greenwich's Astrophotographer of the Year Contest

By: Sean Walker September 15, 2023

Astronomy and Society

NASA Finds No Evidence UFOs Are Extraterrestrial, Promises Further Study

By: Monica Young September 15, 2023

Celestial News & Events

This Week's Sky at a Glance, September 15 – 24

By: Alan MacRobert September 15, 2023

observing guides

This Week's Sky At a Glance

This Week's Sky at a Glance, September 22 – October 1

By: Alan MacRobert September 22, 2023

Celestial Objects to Observe

To Catch Beads of Sunlight, Here's Where You Should Head for October 14th's Annular Eclipse

By: Jamie Carter September 18, 2023

Venus, Regulus, and Mercury in early dawn, Sept 16, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, September 15 – 24

By: Alan MacRobert September 15, 2023

Waning crescent Moon passing Venus at dawn, Sept 11-12, 2023Moon

Celestial News & Events

This Week's Sky at a Glance, September 8 – 17

By: Alan MacRobert September 8, 2023

Where to Look Tonight

This Week's Sky at a Glance, September 22 – October 1

The bright Moon steps eastwaed night by night under Altair, then Saturn, then the Great Square of Pegasus. Meanwhile, Deneb replaces Vega as the zenith star; welcome to fall.

where to look

September Podcast: Explore the Summer Triangle

Sky Tour Podcast

Daylight hours are getting shorter in the Northern Hemisphere, which means the hours for stargazing are getting longer throughout September! So stream or download this month’s Sky Tour astronomy podcast for lots of great tips on what you can see this month in the evening sky.

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Cosmic Recovery

Maybe deliberate experiences of joy and awe should be standard in any post-op plan.

Sep 28–28

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Hubble's Ultraviolet Legacy (A Free, Virtual Lecture)

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How to Choose A Telescope

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San Francisco Amateur Astronomers

Our Community

Astronomers often spend their time lost among the stars, but the science of astronomy and the hobby of stargazing are also communal affairs. So, don’t be a stranger—find a group to get involved with today!

Find an Event or Club Near You