NASA’s Oct. 25 Astronomy Picture of the Day features a simulation of dark matter filaments and sparse clumps of ordinary matter.
The Latest
APOD: 2026 October 25 – Dark Matter In A Simulated Universe
9 Best Halloween Science Kits for Kids in 2027
Compare nine Halloween science kits for kids by experiment variety, spooky appeal, age fit, mess, and setup to find the right match.
14 Best Anatomy Coloring Books for Adults in 2027
Compare 14 anatomy coloring books for adults by learning depth, illustration style, subject coverage, and ease of use to find the right fit.
After Using 4 Microsoft 365 Alternatives For A Month, One Is A Clear Winner
An XDA Developers writer tested four Microsoft 365 alternatives for a month and named OnlyOffice as the suite they would keep using.
San Francisco Meetup This Saturday
Astral Codex Ten’s San Francisco meetup is scheduled for Saturday, Oct. 24, at Mox, with an RSVP requested for the venue door code.
14 Best Educational Anatomy Coloring Books for Learning in 2027
Compare 14 educational anatomy coloring books by subject, illustration detail, learning support, and fit for different learners and study goals.
15 Best Skeleton Models for Students in 2027
Compare 15 skeleton models for students by scale, articulation, teaching details, storage needs, and best-fit learning goals.
I Stopped Uploading Sensitive PDFs To Adobe After Finding A Self-hosted Tool That Does Everything Acrobat Charges For
An XDA Developers writer says Stirling PDF can handle sensitive documents locally, with self-hosting options and new automation in version 3.0.
APOD: 2026 October 23 – Andromeda In Southern Spring
NASA’s October 23 Astronomy Picture of the Day shows the Andromeda Galaxy above the hills near Mullion, Australia, during southern spring.
NASA Invites Media To 2026 Von Braun Space Exploration Symposium
NASA’s Oct. 26-28 symposium in Huntsville will cover Artemis missions, lunar infrastructure, propulsion and the space workforce.
