Several people on social media expressed fears about possible sleeper cell attacks amid reports that Iran's Khamenei was dead ...

DNA science has helped solve criminal cases for decades. But increasingly, investigative genetic genealogy — which was first ...

DNA science has helped solve criminal cases for decades. But increasingly, investigative genetic genealogy — which was first used for cold cases — is helping to solve active cases as well.

As attacks continue to be carried out across the Middle East, there are growing concerns about the ones that haven’t yet happened, here at home in the US.

The war in Ukraine has become a grinding test of attrition, where movement on the map is measured in metres, not miles. In the frozen wastelands where this fight is being waged, it feels never-ending.