News, views and information for the global physics community from IOP Publishing.

An online biweekly mini-magazine, and it's also a collection of more than 800 websites that you can search and browse.

An interactive journey through modern physics, by the University of Colorado at Boulder

An interactive website that allows anyone to calculate the potential damage a comet or asteroid would cause if it hit the Earth.

Provides access to key aerospace and defense information sources created worldwide.

Physics Center: Astrophysics, Astronomy, Astrobiology

From the National Institute of Standards and Technology, includes: elemental data index, periodic table, physical constants, atomic spectroscopy data, molecular spectroscopic data, atomic and molecular data, x-ray and gamma-ray data, radiation dosimetry data, nuclear physics data, condensed matter physics data, as well as all data sets at NIST.

Open access to 636,434 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance and Statistics, from Cornell University Library.

Over 1,000,000 bibliographic records of interest to people working in particle physics and related areas.
Covers preprints, articles, books, journals, photographs, videos and much more.

A gateway to the online Astronomy and Physics literature, hosted by High Energy Astrophysics Division at the
Harvard-Smithsonian Center for Astrophysics

~ Stanford University

~ American Physical Society