Before the rise of dinosaurs, Earth was a vastly different place, teeming with life in forms that were strange and unlike ...

Scientists track the sleep and activity patterns of 20,000 adults and find earlier bed times link to an extra 30 minutes of ...

Pelletier says she noticed a difference in her sleep after moving to the Yukon, where summer days are long and winter days ...

Scientists examine how our brain's perception of time changes, altering the way it measures all of the moments that make up ...

The brain doesn't merely register time—it structures it, according to new research from the Kavli Institute for Systems ...

The stars, director Akiva Schaffer, producers Seth MacFarlane and Erica Huggins, and more preview their new entry in the iconic spoof-comedy franchise.

One-third of American adults don’t get enough sleep on a regular basis, according to the Centers for Disease Control and Prevention. Not surprisingly, people are desperate to try anything ...

Historical Perspective Published: May 1999 A unifying concept: the history of cell theory Paolo Mazzarello Nature Cell Biology 1, E13–E15 (1999) Cite this article ...