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President Nicolás Maduro says Venezuela will use the "petro," backed by oil reserves and other natural resources, to defeat a financial blockade on his country.

In a vote of confidence for citizen science, researchers who created an online RNA-folding game launched the project's first challenge aimed at a disease — creating a better tuberculosis test.

Popcorn has been around at least 4,000 years. The Aztecs even had a word for the sound of kernels popping — totopoca. On National Popcorn Day, ponder the story of this beloved snack.

As kindergarten becomes the new first grade, some worry that the joy of learning is being lost with higher rigor.

The national laboratory that manages the International Space Station from Earth will soon open an office in San Diego.

The California Department of Public Health last week announced that two babies have been born with Zika-related microcephaly in the state. A UCSD School of Medicine professor talks about the virus.

This new essay, edited by Ernest Drucker, argues that mass incarceration — more than 2 million Americans are locked up — tears at our social fabric and leaves people with no option but to reoffend.

When parents transition a baby from breast milk or formula to cow's milk, it can seem like a big jump. We talk with a researcher who looked at just what's in the array of toddler drinks on the market.

Mom and dad bloggers share their insights. We'd love for you to answer, too!

Using historical data and estimates from deep-sea trawls that drag nets along the ocean floor, researchers estimate that millions of tons of catch have gone unreported in the last 50 years.