The possibility of the asteroid 2024 YR24 impacting our planet might not be ruled out until 2028, raising the prospect we’ll need to prepare for the worst ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Conflicting distance measurements have added to the uncertainty. One data source places one object at 6,500 light years away, ...

According to NASA's SPHEREx mission details, the observatory will survey the entire sky using near-infrared light. Its goals include exploring how galaxies evolved, understanding the structure of the ...

The most powerful telescope in history. The James Webb Space Telescope's "jewel-filled" photos are stunning. Marketing health ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

Unusual detection bolsters evidence that the mysterious signals can be caused by different astrophysical events.

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

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

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

Astronomers have detected fast-repeating radio bursts from a distant "dead" galaxy that should not contain the energy to ...

Supernovae are one of the most useful events in all of astronomy. Scientists can directly measure their power, their spin, ...