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Foraging bumblebees can pick up nearly half their weight in pollen before heading home to the hive, research shows. All that weight tucked into hollows on their hind legs can complicate flying.

Most U.S. dairy cows are born with horns, but most farms remove them. Animal welfare groups say dehorning is cruel. Instead, they want ranchers to breed more hornless cattle into their herds.

The Koch brothers' political network of wealthy donors this weekend auditioned five GOP presidential candidates, another sign of billionaires' increasing political clout.

Host Melissa Block speaks to West Virginia University law professor James Van Nostrand about the impact of EPA power plant rules in his state.

Even before he officially unveiled it, President Obama's plan to cut the carbon pollution produced by power plants faced significant opposition.

Young entrepreneurs in Africa say they're leading a tech movement from the ground up. They think technology can solve social ills. But critics wonder if digital fixes can make a dent.

Delta said in a statement on Monday that, effective immediately, it "will officially ban shipment of all lion, leopard, elephant, rhinoceros, and buffalo trophies." American followed hours later.

The Patient-Centered Outcomes Research Institute is supposed to figure out which medical treatments work best. But there are sharp political and scientific disagreements over how to do that.

A huge legal battle is coming over the White House plan to address climate change with additional power plant regulations. The coal industry has the most to lose, and plans to take the EPA to court.

A filmmaker has created a way to make Frank Lloyd Wright's masterpiece home, Fallingwater in Pennsylvania, accessible to those with physical limitations.