Unidentified flying objects (UFOs) are real. And the truth about them is often hidden from the public, for reasons related to national security. That secrecy has fed conspiracy theories about the pos…

Whether you think we are making history or repeating it, it’s safe to say we are living in a historic time. In this episode, Why It Matters asks three historians to weigh in on how to use the past to…

Antibiotics have saved untold millions of lives, but bacteria are learning to outsmart them at alarming rates. Projections show that by 2050, ten million people could die each year from antibiotic-re…