Top Websites for rocket science

projectrho.com

A website about space travel and rocketry

russianspaceweb.com

History and news on the Russian space program

libre.space

Non-profit for open source space hardware and software.

agat-roscosmos.ru

Economic research in the rocket and space industry.

ckbtm.ru

Design and manufacture of equipment for nuclear power plants...

idleworm.com

Personal blog with posts on various topics.