An artist’s impression of Nāpōwawāʻenakaulua, the oldest compact pair of quasars ever observed. Quasars are actively feeding ...

Nov. 11, 2026 A groundbreaking new supercomputer simulation is revealing how the universe escaped its cosmic dark age and transformed into a cosmos filled with stars and galaxies. Called Lumina, it ...

Webb and Gemini North observed two quasar-like sources as they appeared about 900 million years after the Big Bang. The ...

An artist’s impression of Nāpōwawāʻenakaulua, the oldest compact pair of quasars ever observed. Quasars are actively feeding ...

A Physical Review Letters study finds stupendously large black holes cannot make up dark matter, because the Big Bang's leftover light shows no sign of them.

Two early black holes, about 18,100 light-years apart, were resolved from Mauna Kea in two nights. The pair dates to about ...

Snow is up to 15 feet deep in some parts of Yosemite National Park, new technology can 3D print human cells inside the body, and more of today's top videos. (6) updates to this series since Updated 16 ...

The James Webb Space Telescope has made a groundbreaking discovery near Sagittarius A*, the supermassive black hole at the center of the Milky Way. Observations of the star IRS 3 show that dust and ...

The James Webb Space Telescope has discovered J1602+4228AB, the earliest and most distant known pair of quasars, seen about 900 million years after the Big Bang.

Using the James Webb Space Telescope, astronomers have discovered the oldest pair of black hole-powered quasars ever seen.

The Simons Observatory site in Chile, showing the Small Aperture Telescopes (SAT) in the foreground inside their ground screens, and the Large Aperture Telescope (LAT) in the background. Credit: ...