# Phys.org

> Phys.org is a daily science and technology news portal covering physics, chemistry, biology, earth sciences, astronomy & space, and nanotechnology, published by Science X.
 
Phys.org sources stories from staff-written features, peer-reviewed journals, licensed news-agency content, and editor-selected press releases from universities and research institutions, plus closely vetted preprint/conference findings. Articles go through fact-checking and at least two editors' independent review before publication. See Editorial Process below for full detail.

## Main Categories

- [Physics](https://phys.org/physics-news/): General physics, condensed matter, quantum, optics
- [Nanotechnology](https://phys.org/nanotech-news/): Nanomaterials, nanophysics, bio & medicine nanotech applications
- [Chemistry](https://phys.org/chemistry-news/): Materials, polymers, analytical chemistry
- [Earth Sciences](https://phys.org/earth-news/): Geology, environment, climate
- [Astronomy & Space](https://phys.org/space-news/): Astrophysics, planetary science, space exploration
- [Biology](https://phys.org/biology-news/): Ecology, plant science, cell biology
- [Other Sciences](https://phys.org/science-news/): Social science, economics, archaeology

## Feeds

- [Sitemap Index](https://phys.org/sitemap/indx/): Full machine-readable article index
- [RSS Feeds](https://phys.org/rss-feed/): Per-category live feeds

## About

- [About Phys.org](https://sciencex.com/help/about-physorg/)

## About Science X
 
- [About Science X](https://sciencex.com/help/about-us/): Network overview, mission, history, and Live-rank ranking system
- [Editorial Process](https://sciencex.com/help/editorial-process/): How stories are sourced, fact-checked, and selected — staff features, peer-reviewed journals, licensed news-agency content, and vetted university press releases, double-reviewed by editors before publication
- [Editorial Standards](https://sciencex.com/help/editorial-standards/): Content and conduct standards
- [Editorial Team](https://sciencex.com/help/editorial-team/): Staff and contributing writers
- [Correction Policy](https://sciencex.com/help/corrections/): How corrections are handled and reported
 
## Network Sites
 
- [Medical Xpress](https://medicalxpress.com/): Medical research advances and health news
- [Tech Xplore](https://techxplore.com/): Engineering, electronics, and technology advances