Science

A recent study finds that a casino's expansion was associated with an increase in family income in its community. In turn, that increase in household income helped lead to a decrease in childhood obesity.

Technology talk is often focused on software and programs that run inside our devices. But a "maker movement" is driving interest toward making the physical devices themselves.

Since the 1970s, hallucinogens have been classified as Schedule I drugs, indicating they have no medical use. But researchers say there are benefits and that work must continue.

America's farmers aren't growing enough organic corn and soybeans for our organic animals. Farmers in China, India and Argentina are filling the gap, but tight supplies have led to shortages.

Long before it fueled moviegoers, popcorn helped lay the foundation for the Aztec empire. In our video, we look at popcorn under a microscope, where the rock-hard kernel's fluffy secret is revealed.

An accident at the site appears to be more serious than first disclosed. Nobody knows what happened, but it's shaping up to be a major setback for the nation's only dedicated nuclear waste dump.

The astrophysicist says that participating in a "great unfolding of a cosmic story" should make us feel large, not small. This spring, Tyson hosts a TV series called Cosmos: A Space-Time Odyssey.

Methane is a potent greenhouse gas from oil and gas production. The rules require companies to find and repair equipment leaks. The rules also will reduce air pollution that contributes to smog.

A study finds part of the reason people love Lady Gaga and Vincent Van Gogh is that these are very eccentric artists, and people have strong, unconscious stereotypes that eccentric artists are better.

Acoustic engineer Trevor Cox has traveled around the globe to hear whispering arches and singing sand dunes. Closer to home, he can also explain why your singing sounds better in the shower.

There have been five major mass extinctions over the last half-billion years, when the diversity of life on Earth suddenly and dramatically contracted. Scientists are currently monitoring an era of mass extinction predicted to be the most devastating since the asteroid impact that wiped out the dinosaurs. But this time around, says Elizabeth Kolbert, author of The Sixth Extinction, it's humans that are causing it.

Today's political polarization makes it seem harder than ever to tackle climate change. Republican Bob Dixson says the goals of going green aren't only for liberals. His town of Greensburg was hit by an unusually strong tornado, and now he's working on a White House task force to prepare communities like his.