Energy.gov

Fifty years ago, this collider gave science its first evidence of quarks. Today, it's revealing the conditions of massive stars and how sunlight splits water into oxygen.

Idaho National Lab has played a large role in building fission reactors for Navy vessels - and then training those military personnel on how to use the equipment.

Secretary Chu details President Barack Obama's $27.2 billion fiscal year 2013 budget request for the Department of Energy.

This past weekend, the Mars Science Laboratory rover Curiosity launched from Cape Canaveral with the most advanced payload of scientific gear ever used on the red planet -- made possible by nuclear space power systems developed by the Energy Department.

This week, I joined with the Řež Nuclear Research Institute, the U.S. Embassy in Prague, Texas A&M and the Czech Nuclear Education Network in Prague, Czech Republic, to announce a series of bilateral nuclear research and development programs that will help to advance safe and secure nuclear energy technologies in both countries.

We've brought together nuclear energy leaders from industry to academia to the national laboratories to work together on specific challenges whose solutions will help improve reactor performance and allow us to operate them in a more efficient, cost effective and safe manner.

Read Secretary Chu's take on how we're changing the way the Department of Energy works by creating new jobs, investing in the clean energy economy, and helping consumers save money while saving energy.

Read about how the U.S. is working to reduce our own reliance on nuclear weapons and to lock down dangerous nuclear material so terrorists can't use it.