To Understand the Escalating Crisis in Ukraine, Check the Troop Movements on This Map

The worst case scenario may be here sooner than we think.

7 Devices From 'Star Wars' Scientists Are Actually Building Right Now

Technologies dreamed up for the big screen decades ago are finally becoming realities.

The Godfather of Freakonomics Has Died — Here Are His Most Groundbreaking Theories

Gary Becker's critical work paved the way for a generation of new economic thought.

The Best Jokes From Obama's White House Correspondents' Dinner

"In 2013 my slogan was 'control + alt + delete.'"

How Close Are We to Actually Finding Life on Other Planets?

Three recent scientific findings shed light on this complex question.