Cosmology is puzzled as to why two methods for measuring the expansion of the cosmos yield different results. A third method ...

A burst of light in the deep sky is doing something it should not be able to do. It looks like one supernova, but it shows up ...

A rare gravitationally lensed supernova called SN 2025wny appears in five separate images due to the gravity of two ...

A Northwestern University-led team of astronomers used NASA’s James Webb Space Telescope to discover a former star that ...

NASA’s James Webb Space Telescope captured the first published detection of a supernova progenitor in galaxy NGC 1637, revealing a red supergiant star before explosion.

Several telescopes used to observe the supernova SN Zwicky which was magnified nearly 25 times by a foreground galaxy acting ...

Researchers used James Webb Telescope images to identify the star, which went supernova 40 million years ago ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

Astronomers report a supergiant star in the Andromeda Galaxy, M31-2014-DS1, collapsed directly into a black hole without a supernova, confirming predictions of failed stellar explosions.

Greg Breeding, an art director for the USPS, designed both stamps using NASA imagery.

Whether purchased by space enthusiasts, stamp collectors or casual letter writers, these stamps bring the wonders of the universe a little closer to home. Crab Nebula The Crab Nebula, located about 6, ...

Forty million years ago, a star in a nearby galaxy exploded, spewing material across space and generating a brilliant beacon of light. That light traveled across the cosmos, reaching Earth June 29, ...