Gamma rays
Astronomers Locate the Source of High-Energy Cosmic Rays
Using a novel approach, a team of researchers has confirmed that the elusive source of cosmic rays is indeed supernova…
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…
Is Dark Matter Responsible for Extra Gamma Rays Coming From the Center of the Milky Way?
For years astronomers have puzzled over a strange excess of gamma rays coming from the galactic center. Annihilating dark matter…
A new way to see Inside Neutron Stars
Astronomers study neutron stars using a method made famous by jazz singer Ella Fitzgerald.
Past Supernovae Could be Written Into Tree Rings
A new study by CU Boulder geoscientist Robert Brakenridge shows how nearby supernovae could have disrupted Earth's climate in the…
The Destruction of Dark Matter isn’t Causing Extra Radiation at the Core of the Milky Way
While recent studies suggest that dark matter interactions might create gamma rays, a new study of gamma rays in our…
New Simulation Shows Exactly What Dark Matter Would Look Like If We Could See It
A detailed simulation of dark matter finds that dark matter haloes form in a wide range of sizes.
Gamma-Ray Telescopes Can Measure the Diameters of Other Stars
Four gamma ray telescopes have used a new method of interferometry to measure the size of two stars.
Quasars are the Biggest Particle Accelerators in the Universe
We puny humans think we can accelerate particles? Look how proud we are of the Large Hadron Collider. But any…
Why Pulsars Are So Bright
When pulsars were first discovered in 1967, their rhythmic radio-wave pulsations were a mystery. Some thought their radio beams must…