Stories by Neil Gehrels

Neil Gehrels was chief of the Astroparticle Physics Laboratory at NASA’s Goddard Space Flight Center, as well as principal investigator of the Swift mission, project scientist for the Wide-Field Infrared Survey Telescope (WFIRST) and deputy project scientist for the Fermi Gamma-ray Space Telescope. He passed away in February 2017. Credit: Nick Higgins

Space & Physics

Shredded Stars Offer New View of Supermassive Black Holes

New techniques reveal how supermassive black holes shred entire stars

April 13, 2017 — S. Bradley Cenko and Neil Gehrels

Space & Physics

The Brightest Explosions in the Universe

Every time a gamma-ray burst goes off, a black hole is born

April 1, 2007 — Luigi Piro, Neil Gehrels and Peter J. T. Leonard

Space & Physics

The Brightest Explosions in the Universe

Every time a gamma-ray burst goes off, a black hole is born

September 1, 2004 — Luigi Piro, Neil Gehrels and Peter J. T. Leonard

Space & Physics

The Compton Gamma Ray Observatory

A steady stream of data from this orbiting observatory is painting a portrait of a dynamic and often enigmatic cosmos

December 1, 1993 — Neil Gehrels, Carl E. Fichtel, Gerald J. Fishman, James D. Kurfess and Volker Schönfelder