Unprecedented ‘Einstein Cross’ Reveals Fifth Ghost Image and a Dark Matter Surprise
When gravity—an invisible yet ubiquitous force—bends and distorts light from distant galaxies, Earthbound observers get a rare glimpse…
How NASA’s Roman Mission Will Unveil Our Home Galaxy Using Cosmic Dust
NASA’s Nancy Grace Roman Space Telescope will help scientists better understand our Milky Way galaxy’s less sparkly components…
Observable universe is 93 billion light years wide but what’s beyond it? Here’s what we can’t see…
One of the most important pieces of evidence for this limit is the cosmic microwave background radiation, faint…