Discover Organic Molecules Spewing from Enceladus's Ocean and a New Asteroid Inside Venus's Orbit

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Read news from the world of astronomy for the week of October 24, 2025.

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This week in the world of astronomy, discover a new asteroid inside Venus's orbit and organic molecules spewing from Enceladus's ocean. Plus, spot the dusty remnants of stellar mergers circling the Milky Way's black hole.

This Week's Sky at a Glance, October 24 – November 2

The crescent Moon returns and waxes to first quarter. Two binocular comets are on the way out. And Arcturus is once again the Ghost of Summer Suns.

New Study Identifies Organic Molecules Spewing from Saturn's Icy Moon Enceladus

The discovery of a new array of molecules spouted from Enceladus indicates new promise for habitability within its ocean.

Objects at the Edge of the Solar System Behave in an Unexpected Way

In a surprise to researchers, the small, icy bodies beyond Pluto’s orbit tend to rotate opposite the way they move around the Sun, which might say something about how they formed.

Newly Discovered Asteroid Circles the Sun Inside Venus’s Orbit

Astronomers have discovered a second asteroid in the inner solar system, circling the Sun almost entirely within the orbit of Venus.

Merged Stellar Pairs May Orbit the Milky Way’s Black Hole

The dusty remnants of stellar mergers may orbit the Milky Way’s central, supermassive black hole.

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Observing Highlights

Andromeda-Pegasus-inset-M31-label-web image

October Podcast: Pegasus Leads the Way

Pegasus is a large, distinctive constellation that’s easy to spot. During October, you can use it — along with Saturn — to find some amazing celestial sights in their vicinity.

Presented by: Celestron.

Tyranny of the Rocket Equation

The Tsiolkovsky rocket equation is the primary formula governing the physics of a rocket.

Whoa! A Smart Hybrid Telescope for $299?

The ES Astro 53 Pro Smart Telescope from Spectrum Optics is a hybrid telescope which can be used both visually and for deep-sky astroimaging. This new smart telescope features a wireless telescope connection, plate solving technology and a Go To function that automatically finds the object of your choice in minutes. Once located, simply flip the switch and go to eyepiece mode. Want to take an astroimage of galaxies and nebula? No problem. The ES Astro 53 does it all! A portable Go To telescope and built-in astroimaging camera for just $299.