FELS of Europe - A site detailing the FELs in Europe and their science

FYI - Science policy news from AIP (US focused)

Laser Focus World - Lasers, optics, and photonics news

Nautilus - A great online and print general science magazine

Optics.org - Research and business news spanning the whole optics and photonics industry

phys.org - A large aggregator of technical summaries of results in the physical sciences

spencerjolly.com - My personal homepage, with link to my other blogs

terrytao - Terrence Tao's wonderful blog on all things mathematics and academics (mostly interesting to read the archive on writing, etc)