President Obama used his weekly address to announce steps to promote greater domestic oil production and reduce the burden of high gas prices. Republicans say it's not enough.
House Republicans want to reshape federal environmental policies by adding amendments to the spending bill due Friday. Senate Democrats and the president oppose the 'riders.'
Some experts wonder how 'independent' BP's grants for Gulf oil spill research on ecosystem damage and recovery will be. But so far, it looks like the money comes with no strings attached.
The first trial of the Large Hadron Collider on Wednesday signals a shift to Europe of high-energy physics.