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 ...

Take a tour of the amazing Ring Nebula image captured by the James Webb Space Telescope. Credit: NASA/ESA/CSA/Institute for ...

"This is how you solve the universe-breaking problem." ...

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

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

Scientists used NASA’s James Webb Space Telescope to examine select star-forming areas in the Extreme Outer Galaxy in near- ...

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

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

The new space telescope, which will succeed the James Webb Space Telescope launched in 2021, will be positioned in orbit ...

The James Webb Space Telescope has given astronomers groundbreaking insight into a new type of planet described as unlike ...

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...