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

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

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

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

The James Webb Space Telescope (JWST) revealed ancient galaxies that are unexpectedly large and bright, defying current ...

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

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

Pan across the James Webb Space Telescope's view of the Cosmic Cliffs, "a region at the edge of a gigantic, gaseous cavity ...

Vega, one of the brightest, most famous and most important stars in the night sky, has no evidence of giant planets around it ...

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.

From its halo-like orbit nearly a million miles from Earth, the James Webb Space Telescope is seeing farther than human eyes have ever seen. In May, astronomers announced that Webb detected the ...

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