Antihelium Offers Hope in the Search for Dark Matter
[ad_1] In 2010, physicists at the Large Hadron Collider began producing an exotic form of antimatter known as antihelium. Antimatter is that elusive substance that annihilates upon meeting regular matter, and antihelium…
The Enigma of Dragonfly 44, the Galaxy That’s Almost Invisible
[ad_1] In 2016, astronomers led by Pieter van Dokkum of Yale University published a bombshell paper claiming the discovery of a galaxy so dim, yet so broad and heavy, that…
The ‘Brightest of All Time’ Gamma-Ray Burst Sparks a Supernova Hunt
[ad_1] On the morning of October 9, astronomers’ inboxes pinged with a relatively modest alert: NASA’s Swift Observatory had just detected a fresh burst of energy, assumed to be coming…
What Drives Galaxies? The Milky Way’s Black Hole May Be the Key
[ad_1] On May 12, at nine simultaneous press conferences around the world, astrophysicists revealed the first image of the black hole at the heart of the Milky Way. At first,…
Humanity Is Doing Its Best Impression of a Black Hole
[ad_1] The one thing that all human civilizations have in common is that they end. For 10,000 years or so, that’s been the common factor. You can make an argument…
Where Do High-Energy Cosmic Rays Come From? A Star’s Last Gasp
[ad_1] Gamma rays from this supernova remnant have been seen by telescopes since 2007, but exceptionally energetic light wasn’t detected until 2020, when it was picked up by the HAWC…
A Minimalist Approach to the Hunt for Dark Matter
[ad_1] In particular, Antypas’ team uses their experiment to search for a class of dark matter known as ultralight dark matter. At its heaviest, an ultralight dark matter particle is…