It's not just you—most of us underestimate how much time we'll need to complete a task, often by huge margins. Behavioral ...

Let’s take a look at the statistics from the fastest 100 freestyles in history: Pan Zhanle’s world record of 46.40 and David Popovici’s 46.71 from yesterday.

News and research on the formation of galaxies. From the Milky Way to Andromeda Galaxy, see astronomy images of splendid galaxies in the universe. Read the latest research discoveries.