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 ...

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

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.

Black holes are fascinating objects. They're unimaginably dense: If Earth was (hypothetically) crushed into a black hole, it ...

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

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

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

“Astronomers invented dark matter to explain how you get from a very smooth early universe to big galaxies with lots of empty ...

A team of U.S. astronomers discovered a supermassive black hole that is consuming matter at a phenomenal rate—40x the ...

These are big, literally cosmic questions, and astronomers continue to struggle to nail down the answers. Different ...

The new observations involve a supermassive black hole that existed when the cosmos was about 11% its current age.