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

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

If another gravity theory is correct, "then the broader implications are enormous," astrophysicist Stacy McGaugh told ...

The James Webb Space Telescope has captured imagery of spiral galaxy NGC 7469, which is 90,000 light-years in diameter. The ...

Since its deployment, the James Webb Space Telescope has been fine-tuned by experts to maintain its powerful optical ...

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 ...

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

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

All the major elements of NASA’s next flagship space telescope are now under one roof as NASA says its development remains on cost and schedule.

The Roman Telescope is being built at NASA's Goddard Space Flight Center, where the coronagraph recently arrived after being ...

These jabs work by providing an instruction to the patient’s cells to churn out a particular protein that acts as a flag for ...

Much of what we understand about Uranus comes from data gathered by NASA's Voyager 2 spacecraft. Thirty-eight years ago, this ...