The march took place against the backdrop of massive celebrations across Washington commemorating America's 250th birthday.

A massive heat wave and political divisions didn't stop Americans from celebrating the 250th anniversary of the country's ...

Ten years ago, a St. Anthony police officer pulled over Philando Castile for a broken taillight. The encounter ended with the officer fatally shooting Castile in Falcon Heights. Such a traffic stop ...

Scientists have developed a color-changing tactile sensor that lets robots visualize touch in real time, paving the way for more precise manufacturing, prosthetics, and robotic surgery.