Largest nova super-remnant ever found, measures 650 light-years across
In a surprising discovery, astronomers have found an enormous, shell-like structure called a nova super-remnant (NSR) in the…
Astronomers Just Found the Earliest Known Black Hole, and It’s a Monster That Shouldn’t Exist
Artist representation of CAPERS-LRD-z9, home to the earliest confirmed black hole. The supermassive black hole at its center…
Hubble Images Celestial Cigar’s Smoldering Heart
This NASA/ESA Hubble Space Telescope image reveals new details in Messier 82 (M82), home to brilliant stars whose…
NASA’s Chandra Finds Black Hole With Tremendous Growth
A black hole is growing at one of the fastest rates ever recorded, according to a team of…
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…