A pair of Columbia astronomers using NASA’s Hubble Space Telescope and Kepler Space Telescope have assembled evidence for the existence of a moon orbiting a gas-giant planet 8,000 light-years away.

Ashkin, 96, is the oldest person ever named a Nobel laureate in any category. His achievement allowed scientists to use pressure from light to manipulate tiny organisms without damaging them, “an old dream of science fiction.”

A small team of scientists ventures out onto the Greenland ice sheet to study the forces large and small that are accelerating the melting of the world’s second-largest ice mass.

Raju Tomer, assistant professor of biological sciences, studies the development of novel technologies required for cellular-resolution whole-brain mapping and functional analysis of normal and diseased states.

A new textbook edited and written by researchers across Columbia gives the health community a primer on why, when and how climate information can and should be incorporated into health research, policy and practice.

Cook, a founding director of the Tree Ring Lab at Columbia's Lamont-Doherty Earth Observatory, explains how he uses tree rings to study past climate and advance understanding of drought.

Yasmeen Asali and John Staunton, two Columbia undergraduates from the astronomy department, spent two months in Chile in a practicum at Universidad Católica’s Astrophysics Institute as part of an ongoing exchange program between both institutions.