The nearby bright star Vega is surrounded by a surprisingly smooth, 100 billion-mile-wide disk of cosmic dust, confirming ...

The standard model for how galaxies formed in the early universe predicted that the James Webb Space Telescope (JWST) would see dim signals from small, primitive galaxies. But data are not confirming ...

Dark matter is an essential element of galaxy formation and physics, according to the standard theory of how the universe ...

Sixteenth century Danish astronomer Tycho Brahe laid the framework for modern cosmology without ever using a telescope.

As we gaze into the universe, we've discovered most galaxies have a supermassive black hole lurking near the center.

The James Webb Space Telescope may have found dozens of elusive brown dwarfs — strange objects larger than planets but smaller than stars — beyond the Milky Way for the first time ever.

Legendary Star Lacks Evidence for Large Planet Construction Ever since the dawn of human consciousness, skywatchers have been ...

The standard model for how galaxies formed in the early universe predicted that the James Webb Space Telescope (JWST) would ...

Using the powerful James Webb Space Telescope ... b is right at the inner edge of being detectable," Kyle Franson, an astronomer and graduate student at The University of Texas at Austin, said ...

At the heart of our Milky Way galaxy lurks a supermassive black hole about four million times the mass of the sun, called ...

Astronomers using the James Webb Space Telescope have observed a massive disk surrounding the star Vega in unprecedented new ...