Mysterious little red dots threatened to overhaul modern cosmology—but new research may have solved the celestial conundrum.

The Priority Mail 'Spiral Galaxy' and Priority Mail Express 'Star Cluster' stamps are now available in panes of four at post ...

The U.S. Postal Service has issued a new set of stamps celebrating the James Webb Space Telescope, the most powerful space ...

New U.S. Postal Service stamps released last week feature images captured by NASA's James Webb Space Telescope.

First discovered in 2009, GJ 1214 b is described by the JWST team as being “sub-Neptune-sized” - smaller than the outermost ...

SPHEREx is slated to launch Feb. 27 on a SpaceX rocket. It is meant to map the entire night sky in infrared — something even ...

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...

James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M.

The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view of this peculiar planet’s rings in more than 30 years,” according to ...

These structures, although fragile, play a crucial role in the life cycle of stars and planets. Dust moves through space. Comparison of two images taken in the mid-infrared by the James Webb Space ...

Japan's government has been considering joining a U.S.-led space telescope initiative to search for Earth-like planets and ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.