Why does putting back the clocks an hour disrupt us so much?

But the change is slow. Abrupt changes, flying east or west (which extends or shortens sunlight exposure, affecting melatonin ...

The Most Vexing Variable in the Search for E.T.

This is the last of three blog posts associated with this week’s episode of Cosmos: A Spacetime Odyssey, which addresses life in the universe. Read the first and second here. Someday, in the not too ...