Fermi Gamma-ray Space Telescope

Liz NASA Blazar

Unidentified blazar-like objects are blasting out gamma rays, and it gets weirder

We now know how gamma rays spawn, but where do they come from?

By Elizabeth Rayne 2 weeks ago

Could destroyed dark matter have created an orb of gamma rays at the center of our galaxy?

By Elizabeth Rayne 7 months ago

Artwork depicting a magnetar superflare, an eruption of epic energy from the surface of a neutron star. Credit: NASA/GSFC

A brain-curdling magnetar superflare seen in a neighboring galaxy

By Phil Plait 10 months ago

tie hero

NASA space telescopes spot TIE fighter-shaped galaxy 500 million light-years away

By Jeff Spry 1 year ago

Artwork depicting a gamma-ray burst with a beam of material racing away. Credit: NASA, ESA, and M. Kornmesser

Two gamma-ray bursts emit highest energy photons ever seen from GRBs

By Phil Plait 1 year ago

The Moon glows in gamma rays, created as cosmic rays slam into its surface. This series of images displays longer and longer exposures by the Fermi space telescope, showing how the images gets better with time. Credit: NASA/DOE/Fermi LAT Collaboration

The Moon is brighter than the Sun … in gamma rays

By Phil Plait 2 years ago

Omega Centauri

Measuring all the light in the Universe. All of it. Ever.

By Phil Plait 2 years ago

Artwork depicting the moment of collision between two neutron stars. The resulting explosion is… quite large. Credit: Dana Berry, SkyWorks Digital, Inc.

BIG NEWS: For the first time, astronomers detect gravitational waves from two neutron stars crashing together!

By Phil Plait 4 years ago