Urban vision. The project transforms an underutilized area into a lively, sustainable district, combining residential, ...

Among the more puzzling cosmic phenomena discovered over the past few decades are brief and very bright flashes of blue and ...

Yu-Jing Qin, a postdoctoral researcher at California Institute of Technology (Caltech), led a series of spectroscopic ...

When the most massive stars reach the ends of their lives, they blow up in spectacular supernova explosions, which seed the ...

Columbia Professor Brian Metzger helped other astronomers interpret their observations of the unexpected stellar event.