Kevin Krajick '76GS, '77JRN

A Columbia study helps debunk an old theory about the island’s mysterious past

The technology locates explosives faster and more safely than treacherous manual methods

The University is teaming up with NASA to create a first-of-its kind online library of geochemical data

Urban critters such as possums, skunks, and groundhogs are growing in numbers, say Columbia researchers

Columbia tree-ring scientists are discovering key clues in aging industrial wood

Climate scientists visit Barbados to study sea-level rise

Can a Columbia-led expedition to South America uncover the forces that drive one of its largest volcanoes?

Scientists say we need to minimize the amount of carbon dioxide that coal factories spew into the air, in addition to developing cleaner forms of energy