University of Arizona astronomers are discovering unexpected information about one of the brightest stars in the Milky Way.

Uranus is unique as it rotates on its side, at roughly a 90-degree angle from the plane of its orbit. The planet takes 84 years to orbit the Sun. An animated GIF showing Uranus' magnetic field. The ...

A new study suggests galaxies in the early universe appear much larger and brighter than expected, precisely as predicted by ...

The National Radio Astronomy Observatory is 'confident' it can work out radio frequency issues with SpaceX and other ...

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

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

Data from Chandra X-ray telescope and James Webb Space Telescopes have revealed a black hole from 470 million years after the ...

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 ...

The Max Planck Institute for Extraterrestrial Physics (MPE) researchers used data from the eROSITA All-Sky Survey.

The Roman Coronagraph Instrument, designed to block starlight, will help scientists detect faint light from exoplanets.

Black hole light echoes are an extreme form of gravitational lensing. To measure the masses and spins of black holes, ...