Researchers are trying to come up with tests that can be performed using a blood sample that will determine not only whether a COVID-19 vaccine will work but also for how long.

A U.S.-backed conference with the Taliban and Afghan government was derailed, raising doubts about progress toward a negotiated settlement to end decades of war in Afghanistan.

In our continuing series looking at the latest medical research and news on COVID-19, Larry Mantle speaks with Dr. Dean Blumberg of UC Davis Children’s Hospital.

The pandemic has forced us all to come to certain realizations. Some have realized that certain friendships may not be as strong as once believed when the ability to see one another in person is removed from the equation.

If you've crossed the Colorado Street Bridge lately, you may have seen three tall, oddly shaped vertical barriers between the 10-foot high fencing.

In an interview, Secretary of Transportation Pete Buttigieg had noted that “there is racism physically built into some of our highways,” a sentiment that may seem odd at first glance but is rooted in facts that can be found in highways and other infrastructure across the country.

At issue is whether schools can punish students for off-campus speech. At the center of the case is a teenager suspended from her cheerleading team after using a vulgarity on Snapchat.

The event will be unlike any modern presidential speech before lawmakers thanks to pandemic restrictions and new security requirements put in place after the Jan. 6 insurrection.

More health workers are now able to prescribe buprenorphine for opioid addiction treatment. Nora Volkow of the National Institute on Drug Abuse says it will help lessen stigma and increase access.

People in D.C. and other cities are starting to see periodical cicadas. The red-eyed flying insects known as Brood X emerge every 17 years.