Astronomers using the Webb Telescope detect a faint smudge that may be the first galaxy, or a nearby impostor, named ...

The oldest and most distant black hole known to scientists dates back 13.3 billion years ago, when our universe was still in ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

The interactive online map, created using data from NASA's James Webb Space Telescope, details some 800,000 galaxies across a vast cosmic distance. Scrolling and zooming in can take users some 13.5 ...

Fast radio bursts (FRBs) last around a millisecond and in doing so encode otherwise unattainable information on the plasma which permeates our Universe, providing insights into magnetic fields and gas ...

Through the James Webb Space Telescope and the Hubble Telescope, it has been possible to confirm the expansion of the ...

Using the wide-field survey capabilities of the Subaru Telescope, astronomers discovered active supermassive black holes, or ...

Some astronomers think one set of measurements or the other will turn out to be wrong. Others believe that the tension is a hint of deeper problems with the scientific description of the universe, ...