Polls suggest GOP primary voters really like Rubio, but when it comes to casting a vote they seem less sure. Time might tell whether he can turn his paper appeal into real appeal.
Earth is home to more than 3 trillion trees, a new map of forest density shows. That's more than anyone realized. But the total is also down about 46 percent since the first humans arrived.
Baltimore clothing shop Flawless Damsels is one of the more than 400 businesses damaged in last spring's riots. The shop recently reopened and was bustling, though that's not the case everywhere.
Ohio will vote this fall on whether to legalize marijuana. The measure allows 10 growing sites; 10 groups of big investors already have dibs. Some would-be pot proponents are crying foul.
A federal judge has allowed some drivers to proceed with a class-action suit against the ride-hailing service. The case could affect other companies in the sharing economy such as Airbnb and Lyft.
With the approval of Democratic Sen. Barbara Mikulski, announced Wednesday, President Obama has secured enough support in Congress to sustain his nuclear deal with Iran.
When Congress votes on the deal this month, it will be considered under rules that favor the president, even if his opponents gain a majority.
This year, the extra-point line of scrimmage has been moved back to the 15-yard line. Will that make any demonstrable difference in lowering the conversion rate?
Hospital admissions caused by bike injuries have more than doubled in the past 15 years across the country. One doctor thinks the "Lance Armstrong effect" could be a reason for the jump.
"I have no legal authority to relieve her of her statutory duty by executive order or to remove her from office," Gov. Steve Beshear says of Rowan County Clerk Kim Davis.