Much of our ancestral histories can be found in our bones. Archaeologist Carolyn Friewald traces the story of human migration through the hidden clues in our bones and our teeth.

Monarch butterflies fly the longest two-way migration of any insect species. Ecologist Sonia Altizer shares how these intrepid butterflies make the journey — and how it's being threatened.

An experimental medicine seems to ease symptoms of Fragile X syndrome, a genetic disorder that is the most common inherited cause of intellectual disabilities and autism.

As the number of people seeking therapy soars during the pandemic, CVS has begun testing a model to offer counseling services in its stores. It hopes to reduce costs for both patients and itself.

U.S. health regulators pledged again Thursday to try to ban menthol cigarettes, this time under pressure from African American groups to remove the mint flavor popular among Black smokers.

President Joe Biden declared that “America is rising anew” as he called for an expansion of federal programs to drive the economy past the coronavirus pandemic and broadly extend the social safety net on a scale not seen in decades.

Last summer wildfires ravaged Big Basin Redwoods State Park so devastatingly that in just one day, 97% of it burned, turning its cathedral-like redwoods to black and wiping out critical infrastructure.

In our continuing series looking at the latest medical research and news on COVID-19, Larry Mantle speaks with Dr. Tim Brewer from UCLA.

The U.S. economy grew at a rapid pace in the first three months of the year as more people got vaccinated and the federal government pumped hundreds of billions of dollars into people's pockets.

Hackers say they've seized computer records from the Washington, D.C. police and are demanding ransom. As ransomware groups keep getting more sophisticated, law enforcement is struggling to keep up.