This is called the “heat death” of the Universe, but you can think of it instead as the death of heat. There will be no more ...

"I never dreamed of Webb seeing them in such large numbers." ...

Jan. 17, 2025 — In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most ...

Yale researchers among those who discovered three “ultra-massive” galaxies, which were formed shortly after the Big Bang and ...

A rare group of aligned, star-birthing dwarf galaxies resemble a cosmic string of pearls. Astronomers have discovered a rare ...

Instead, the observable universe is some 46.5 billion light ... By about two trillion years from now, all of the galaxies beyond our local supercluster will be so far away that we can't see ...

Galaxies are not islands in the cosmos. While globally the universe expands—driven by the mysterious "dark energy"—locally, ...