A new study suggests that they may have helped slash US murder rates in the 1990s

Why does an island in the Indian Ocean contain a mountain of crystalline rock that could never have formed there naturally?

Certain areas of the Marshall Islands should remain off-limits, scientists say

0.3 percent of Earth's rare elements come from a single stellar explosion 4.6 billion years ago

A study looks at what makes the group’s online propaganda successful

A million plant and animal species are at risk of disappearing, many within decades

At Columbia's Magnetic Resonance Research Center, scientists are unveiling the neural basis of human thoughts, memories, and emotions

A new robotic propulsion system could help create new kinds of robots capable of venturing into hazardous environments

They outperform their classmates by almost every measure. But do these accomplishments lead to professional success?

Middle Easterners may have given up hunting and gathering more abruptly than previously thought, says a new study

Research from Columbia shows where the grass is greener

A lab on wheels gives schoolchildren glimpses of the natural world