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

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

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 ...

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

See amazing imagery of the Carina Nebula as captured by the James Webb Space Telescope. NASA Goddard Space Flight Center ...

These are just a taste of the discoveries made by the $10 billion Webb telescope since it began science observations in 2022.

NASA's James Webb Space Telescope is the largest and most powerful telescope ever launched to space. Its mirror is composed of 18 individual segments that have been aligned so accurately, that they ...

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

Space never ceases to amaze us, but what the James Webb Space Telescope (JWST) just found has changed everything that we know ...

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.

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