Editor's note: Follow USA vs. Canada live updates from the 4 Nations Face-Off hockey final. Matthew and Brady Tkachuk set the tone for Team USA in the opening game against Finland by scoring two ...

New research reveals how the neurovascular architecture of the murine calvarium, the skull's upper part, changes with age.

Herpes simplex virus-1 (HSV-1) is commonly known for causing blisters and sores. But in some cases, the virus can migrate to ...