Fermi Gamma-ray Space Telescope

The Mystery of Cosmic Rays Deepens

Cosmic rays are high-energy particles accelerated to extreme velocities approaching the speed of light. It takes an extremely powerful event…

2 months ago

Colliding Neutron Stars are the Ultimate Particle Accelerators

Gamma-ray telescopes observing neutron star collisions might be the key to identifying the composition of dark matter. One leading theory…

3 months ago

Watch 14 Years of Gamma-Ray Observations in This Fascinating NASA Video

The Fermi Gamma-ray Space Telescope, named in honor of noted physicist Enrico Fermi, has been in operation for almost a…

6 months ago

Fermi has Found More than 300 Gamma-Ray Pulsars

In June 2008, the Gamma-ray Large Area Space Telescope began surveying the cosmos to study some of the most energetic…

7 months ago

Brightest Gamma-ray Burst Shines Light on Milky Way Structure

The brightest gamma-ray burst ever seen in 2022 still puzzles astronomers.

1 year ago

The Universe Sparkles in Gamma Rays in this New NASA Animation

We've come a long way since gamma rays were discovered. The late 1800s and early 1900s were a time of…

1 year ago

Jupiter Could Make an Ideal Dark Matter Detector

So, you want to find dark matter, but you don't know where to look? A giant planet might be exactly…

3 years ago

Halo Around a Pulsar could Explain Why We See Antimatter Coming from Space

Astronomers have been watching a nearby pulsar with a strange halo around it. That pulsar might answer a question that's…

4 years ago

Dark Matter Could Be A Source of Gamma Rays Coming from the Center of the Milky Way

There's a lot of mysterious goings-on at the center of the Milky Way. The supermassive black hole that resides there…

5 years ago

When it Comes to Gamma Radiation, the Moon is Actually Brighter Than the Sun

The eerie, hellish glow coming from the Moon may seem unreal in this image, since it's invisible to our eyes.…

5 years ago