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Existing concepts in science like linear induction motors and magnetic levitation are back in the spotlight thanks to Elon Musk's proposal for a rail system that can travel faster than the speed of sound.

Fighting has intensified near two major cities held by pro-Russian separatists in eastern Ukraine. In Berlin, a meeting on a cease-fire ended without any breakthrough.

The University of Mississippi is making an ongoing effort to remove potentially divisive and racially charged symbols to try and make the campus more welcoming, but not everybody welcomes the changes.

Details have emerged about the incident in September that led to the Secret Service director to resign. The Department of Homeland Security, which oversees the Secret Service, launched a review.

Various rights issues kept the original Batman from home-video release until now. Young viewers may be surprised by its pop-art sensibility, vibrant colors — and that it was played for laughs.

For more than 30 years, the Pacific Northwest Ballet's Nutcracker has used sets and costumes designed by the author of Where the Wild Things Are. This year, the ballet is retiring the production.

The House passed a bill Thursday that would make a change in the Affordable Care Act. It would raise the law's definition of full-time work from 30 hours to 40 hours a week.

Many of the displaced ended up in camps in the city of Yola. Now they're racing further away as concerns grow that Yola also faces attack, and that the government isn't doing enough to stop it.

You don't need to have liquid nitrogen at your next cocktail party — but it's certainly a sure-fire way to impress your guests. Expert mixologist Dave Arnold walks you through it.

Sea otters are furry and photogenic, but those aren't the only reasons to save them from extinction. Turns out that just by eating, they can preserve their entire estuarine ecosystems.