Over a century ago, a German physicist named Karl Schwarzschild mathematically described what we now recognize as a black hole using equations. He laid the foundation for black hole cosmology, which ...

Researchers have identified a galaxy that existed when the universe was less than 300 million years old. This galaxy, known ...

Astronomers from the University of Arizona have uncovered astonishing details about a galaxy that existed when the universe ...

The James Webb space telescope looks further back in the universe than any other instrument. Now a baffling puzzle has been ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

In just over three years since its launch, NASA's James Webb Space Telescope (JWST) has generated significant and ...

NASA has released new cosmic images captured by the Hubble and James Webb telescopes. The images feature stellar phenomena like Westerlund 2, Jupiter' ...

University of Arizona astronomers have learned more about a surprisingly mature galaxy that existed when the universe was ...

Bring the Moon and planets into closer view, spot stunning star clusters and observe distant galaxies and nebulas with your own eyes — you can even photograph your subject with a smart telescope.

Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they were independent galaxies, extremely large and distant. At the time ...

Astronomers have peered back to a time when the universe was just less than 300 million years old. The research team, using JWST revealed something extraordinary in the galaxy: significant amounts of ...