States on both sides of the issue are asking the high court for clarification.
The Supreme Court's McCutcheon ruling has thus far favored Republicans.
A dozen states argue that the power plant regulation violates the Clean Air Act.
Industry groups have assailed the country-of-origin-labeling (COOL) rules.
The dust-up follows a court ruling against the agency's first run at education standards.
Conservatives increasingly see the Supreme Court as their last line of defense.
As a result, a lawsuit against the Web giant will proceed in a lower court.
The Supreme Court will make its most important ruling in labor law next week.
Privacy advocates hail the ruling as a powerful check against the prying eyes of government.
The Supreme Court ruled 6-3 that Aereo is illegal.
The justices' ruling could settle the legally murky domain of website comments, blog posts.
Galleon Group hedge-fund founder Raj Rajaratnam is serving 11 years for insider trading.
The FCC won a case challenging its method for reimbursing some companies.
The Supreme Court last year invalidated a trio of Obama's appointments to the board.
Advocates are trying to ensure representation for kids on the “rocket docket.”
Fourth Circuit Judge Roger Gregory said the courts should defer to the IRS.
Obama’s use of executive power will be a major issue in the midterm elections.
“This was a rough year for the administration,” UCLA law professor Adam Winkler said.
In a 5-4 decision, the court finds some state workers cannot be forced to pay union fees.
Unanimous decision seems tailored to allow presidents significant discretion.
Leahy hoped the ruling would lead to other kinds of digital privacy.
The ruling delivers huge win to advocates of stricter gun controls.
The ruling delivers a huge win to advocates of stricter gun controls.
A top appeals court ruled the social media website cannot be held liable for user content.