Delaware wanted to expand sports betting games, in an effort to bring in new revenue for a strapped state budget. But a US appeals court said a federal law prevents it. On Monday, the Supreme Court let that ruling stand.
A large globe, with the US Capitol in the background, is seen on the Mall as part of Earth Day celebrations on April 22.
In this aerial photo from Utah, Arches National Park and Delicate Arch can be seen in the foreground. Areas east of the park are proposed for oil and gas leasing and development.
President Obama met Wednesday with key senators of both parties to discuss the nomination and confirmation process of a Supreme Court justice to replace retiring Justice John Paul Stevens.
Voluntary carbon offsets are a 'Wild West' market ripe for fraud, exaggeration, and poorly run projects that probably do little to ease global warming.
An angora goat reaches up to kiss her mother in a pen alongside Kircher Creek Road, just northeast of Miles City, Mont. Angoras are raised primarily for their fleece, called mohair.
The grasshopper is expected to swarm Western states this summer in record numbers, gobbling up grasslands and costing ranchers millions of dollars.
Readers write in about Maine's clean election law and seahorses in trouble.