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We can't picture directions other than front, back, up, down, left and right — but who's to say there can't be a forth or fifth dimension? Astrophysicist Adam Frank says some scientists are looking.

North Carolina Rep. Renee Ellmers is the first Republican incumbent to lose a primary this year, the victim of heavy conservative spending against her and a new congressional map.

The Olympic Games are less than six weeks away and all eyes are on Rio de Janeiro as the city tries to manage its busiest summer in recent memory. Linda Wertheimer talks to Sidney Levy, Rio 2016 CEO.

The British prime minister was riding high after a sweeping election victory by his Conservative Party last year. But that campaign included a pledge to hold a referendum on Britain's EU membership.

Scientists have discovered a soil microbe with a gene that kills the corn rootworm, an insect that farmers spend $1 billion each year trying to control.

More questions for the panel: The City of Swimmerly Love, and The Naked Truth.

Sunday is selection day for the NCAA basketball tournament. Sports columnist John Feinstein describes how the word "seeding" has become the term of art to describe bracketing in sports tournaments.

Presidential candidates aren't the only ones on the ballot on Super Tuesday. In Alabama, long-serving GOP Sen. Richard Shelby, who is 81 years old, is facing a tougher than expected primary election.

The air quality in Portland, Ore., ranks among the world's worst. The Environmental Protection Agency forecasts "very unhealthy" air quality.

Indian lawmakers were required to get tested for the coronavirus within 72 hours before entering parliament — which met on Monday for the first time since March.