Scientists really don't understand time... but they do have some theories about what it might (and might not) be.

In January 2026, scientists at the Harvard School of Public Health published the results of research 30 years in the making. Researchers followed 110,000 people over three decades and found that those ...

We all love that extra hour we get in bed every October, but researchers argue that changing the clocks twice a year harms our health.