Seeing chemistry unfold inside living cells is one of the biggest challenges of modern bioimaging. Raman microscopy offers a ...

A man has sprayed an unknown substance on U.S. Rep. Ilhan Omar before being tackled to the ground during a town hall she was ...

Representative Ilhan Omar, a Democrat and frequent target of President Trump, was uninjured after a man sprayed her with a substance at a public event where she criticized ICE operations in ...

Renee Good was shot three times and grazed a fourth time during the Jan. 7 encounter with an ICE officer, according to ...

Detecting concealed explosives and chemical threats constitutes a critical challenge in global security, yet current ...

The incident, which was caught on video, marks the second deadly shooting by federal officers in Minneapolis in less than a ...