Columbia scientists have determined why excess saturated fats, such as those released from lard, are toxic to cells and cause a wide variety of lipid-related diseases, while unsaturated fats, such as those from fish and olive oil, can be protective.

In a remote region around Kenya’s Lake Turkana, Columbia's Kevin Uno collects fossils and sediments, searching for evidence about past climate, vegetation, animals, and water. His goal: to understand how climate affected our ancestors millions of years ago.

Puerto Rico suffered an estimated $94 billion or more in damage, on top of an already sagging economy and $74 billion in debt. The island needs a total reboot. Can it do it sustainably?

Researchers at Columbia University and the New York Genome Center have developed a method to quickly and accurately identify people and cell lines from their DNA.

A research scientist at Columbia University's International Research Institute for Climate and Society, Dinku is on a mission to integrate Africa's sparse weather-station data with comprehensive satellite measurements beamed from space.

Some towns and cities can get soaked even when the skies are dry. Columbia climate researchers say these so-called sunny day floods are on the rise thanks to climate change.

Seismologist Lynn Sykes has been working for more than 50 years to halt the testing of nuclear bombs. In his forthcoming book, he provides an insider’s look at the science behind detecting explosions and international efforts to establish a series of treaties.