Dark Matter
Primordial Black Holes Can Only Explain a Fraction of Dark Matter
What is Dark Matter? That question is prominent in discussions about the nature of the Universe. There are many proposed…
Evidence of Dark Matter Interacting With Itself in El Gordo Merger
The Standard Model of particle physics does a good job of explaining the interactions between matter's basic building blocks. But…
Roman Space Telescope Will Be Hunting For Primordial Black Holes
When astrophysicists observe the cosmos, they see different types of black holes. They range from gargantuan supermassive black holes with…
The Universe Could Be Filled With Ultralight Black Holes That Can't Die
Steven Hawking famously calculated that black holes should evaporate, converting into particles and energy over vast periods. But what if…
The Milky Way’s History is Written in Streams of Stars
The Milky Way is ancient and massive, a collection of hundreds of billions of stars, some dating back to the…
A New Tabletop Experiment to Search for Dark Matter
What is Dark Matter? We don't know. At this stage of the game, scientists are busy trying to detect it…
The Milky Way’s Smallest, Faintest Satellite Galaxy Found
The Milky Way has many satellite galaxies, most notably the Large and Small Magellanic Clouds. They're both visible to the…
Dwarf Galaxies Could be the Key to Explaining Dark Matter
If dark matter is a particle, it's possible that it could self-annihilate, becoming normal matter and releasing gamma radiation. Dwarf…
This New Map of 1.3 Million Quasars Is A Powerful Tool
Quasars are the brightest objects in the Universe. The most powerful ones are thousands of times more luminous than entire…
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…