Scientists have uncovered a hidden battle between a widespread brain parasite and the immune cells tasked with destroying it. A parasite that can quietly persist in the human brain is capable of ...

Immune cells called B cells make antibodies that fight off invading bacteria, viruses and other foreign substances. During their preparation for this battle, B cells transiently revert to a more ...

Experiments on an ultra-rare genetic mutation that causes neurodegeneration in children have helped uncover a new mechanism by which brain cells die. A team led by scientists at the German research ...

Researchers have created tiny metal-based particles that push cancer cells over the edge while leaving healthy cells mostly unharmed. The particles work by increasing internal stress in cancer cells ...

Images released by Russia's Investigative Committee show a car in Moscow damaged by an explosion that it says killed Lieutenant General Fanil Sarvarov, head of the training department within the ...

The U.S. Air Force’s new Wedgetail radar plane is designed to scan for threats hundreds of miles away, stay airborne for long stretches and act as a mobile battle station for dozens of fighters at ...

A woman fatally shot her boyfriend after a fight over a cellphone and a car Christmas Eve morning, according to the Bexar County Sheriff's Office. Donald Trump threatens to terminate broadcast ...

Several prominent social-media influencers on Monday circulated a video — claiming it came from the Department of Justice — that shows Jeffrey Epstein attempting to take his own life inside a jail ...

An off-duty Lexington Police Department officer was shot and killed Wednesday night and two men were wounded. The officer, Kaitlin Crook, 25, was the estranged wife of one of the men, Zachary Rogers, ...

This column has been updated to include new details reported by the Washington Post. Sharyn Alfonsi, the correspondent who reported the segment, told colleagues in an email that Weiss had “spiked our ...