Agents use facial recognition, social media monitoring and other tech tools not only to identify undocumented immigrants but also to track protesters, current and former officials said.

A novel F-actin-binding motif consisting of an α-helix hairpin from a Legionella pneumophila lysine fatty acyltransferase has the potential to be developed as an F-actin probe.

The 2026 Poynter Journalism Prizes contest is now open for entries. Read more about the contest below, or go here to submit your entries today. The final deadline for entries will be 6 p.m. Eastern ...