People with dementia judge the passage of time differently, and can access remote memories from many decades ago while being unable to remember events of the past few hours.

What you need to know: When I was in my 20s, people of 30s looked quite old. I soon made 30 and somehow, I now thought 30 was not that old after all. I looked at 40-year fellows as the ones that ...

Albert Paley's eye-catching gates, archways and sculptures frame transitions and elevate otherwise routine paths. An exhibit in Washington, D.C., is celebrating the work of the American metalsmith.

When you think about the lifespan of a human, say someone who lived a long life of eighty years, and juxtapose that with the 260-year lifespan of the tree, you can conclude that the tree lived for ...

Individuals suffering from depression or anxiety feel that time passes slowly. When we are anxiously waiting for something to ...

Mariah Carey continues to explain why she doesn't acknowledge the passage of time, and, on Monday, June 16, she clarified exactly why she doesn't celebrate — or acknowledge — her birthday.

When I was in my 20s, people of 30s looked quite old. I soon made 30 and somehow, I now thought 30 was not that old after all. I looked at 40-year fellows as the ones that were old ...

A 16-Million-Year-Old Tree Tells a Deep Story of the Passage of Time To explain the exceedingly long life of the planet, the Smithsonian’s new fossil hall designers began with this arboreal wonder ...